GROUP OF ORDER 64 #14
GROUP #14
Abelian(2,2) x AlmostExtraSpecial(16)
The MAGMA library number for G is 263
GrpPC : G of order 64 = 2^6
PC-Relations:
G.1^2 = G.6,
G.3^2 = G.6,
G.4^2 = G.6,
G.5^2 = G.6,
G.3^G.1 = G.3 * G.6,
G.3^G.2 = G.3 * G.6,
G.5^G.1 = G.5 * G.6,
G.5^G.2 = G.5 * G.6,
G.5^G.3 = G.5 * G.6
The center of G is abelian of type
[ 2, 2, 4 ]
.
The orders of the terms of the lower central series are
[ 64, 2, 1 ]
.
The orders of the terms of the upper central series are
[ 1, 16, 64 ]
.
The order of the Frattini subgroup is 2.
The exponent of G is 4.
G has 3 conjugacy classes
of maximal elementary abelian p-subgroups. The orders of the maximal
elementary abelian subgroups are
[ 16, 16, 16 ]
.
The orders of the centralizers of the maximal elementary
abelian subgroups are
[ 32, 32, 32 ]
.
The orders of the normalizers of the maximal elementary
abelian subgroups are
[ 64, 64, 64 ]
.
The cohomology ring of G is the quotient of a polynomial
ring in the variables
[
z,
y,
x,
w,
v,
u
]
in degrees
[ 1, 1, 1, 1, 1, 4 ]
, by the ideal generated by the relations
z2
+ zx
+ yx
+ x2
+ w2
+ zv
+ yv
+ xv
+ v2
,
y2x
+ x3
+ xw2
+ y2v
+ x2v
+ w2v
+ xv2
+ v3
.
The Hilbert series for the cohomology ring is
t2+ t+ 1 / t6 -4t5+ 7t4
-8t3+ 7t2 -4t+ 1.
Its numerator factors as
(
t2+t+1
)
.
Its denominator factors as
(
t-1
)4
(
t2+1
)
.
The Krull dimension of the cohomology ring is 4.
The cohomology ring is Cohen-Macaulay and the longest
regular sequence consists of the generators
z2
,
y2
,
w2
,
u
.
Restrictions to Maximal Elementary Abelian
Subgroups
Subgroup E #1
Generated by
[ G.1 * G.2 * G.4, G.1 * G.2 * G.3 * G.5 * G.6, G.6, G.1 * G.3 * G.5 ]
The cohomology ring of E is a polynomial ring in the
variables
z
,
y
,
x
,
w
.
The images of the generators of the cohomology of G
restricted to E are
z
+ y
+ w
,
z
+ w
,
z
+ y
,
w
,
z
+ y
,
z2y2
+ y4
+ z2x2
+ x4
+ z2w2
+ w4
in the cohomology of E.
The kernel of the restriction to E (Minimal Prime) of the
cohomology of G is generated by
z
+ w
+ v
,
x
+ v
.
Subgroup E #2
Generated by
[ G.1 * G.2 * G.5 * G.6, G.1 * G.2 * G.4, G.6, G.1 * G.3 * G.5 ]
The cohomology ring of E is a polynomial ring in the
variables
z
,
y
,
x
,
w
.
The images of the generators of the cohomology of G
restricted to E are
z
+ y
+ w
,
z
+ w
,
y
,
w
,
z
+ y
,
z2y2
+ y4
+ z2x2
+ x4
+ z2w2
+ w4
in the cohomology of E.
The kernel of the restriction to E (Minimal Prime) of the
cohomology of G is generated by
z
+ w
+ v
,
y
+ x
+ w
+ v
.
Subgroup E #3
Generated by
[ G.2 * G.5 * G.6, G.1 * G.2 * G.4, G.6, G.1 * G.3 * G.5 ]
The cohomology ring of E is a polynomial ring in the
variables
z
,
y
,
x
,
w
.
The images of the generators of the cohomology of G
restricted to E are
y
+ w
,
z
+ w
,
y
,
w
,
z
+ y
,
z2y2
+ y4
+ z2x2
+ x4
+ z2w2
+ w4
in the cohomology of E.
The kernel of the restriction to E (Minimal Prime) of the
cohomology of G is generated by
z
+ x
+ w
,
y
+ x
+ w
+ v
.
The nilradical of the cohomology of G is
generated by
yx
+ x2
+ xw
+ yv
+ wv
+ v2
,
zy
+ zx
+ zw
+ yw
+ xw
+ w2
+ zv
+ yv
+ xv
+ v2
.
It is nilpotent of degree 2.
Restrictions to Maximal Subgroups
Maximal Subgroup H #1
Generated by
[ G.2, G.3, G.1, G.6, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.2, G.1 * G.2 * G.6, G.1 * G.5, G.1 * G.2 * G.3 * G.5 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
z
+ y
+ w
,
z
+ x
+ w
,
w
,
0
,
y
+ w
,
z2y2
+ y4
+ z2xw
+ x2w2
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
w
.
Maximal Subgroup H #2
Generated by
[ G.2 * G.4, G.3 * G.4, G.6, G.1 * G.4, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.1 * G.2 * G.6, G.3 * G.4 * G.5, G.2 * G.4 * G.5, G.1 * G.4 * G.6 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
z
+ w
,
z
+ y
,
x
,
y
+ x
+ w
,
y
+ x
,
z2y2
+ y4
+ z2xw
+ x2w2
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ y
+ x
+ w
.
Maximal Subgroup H #3
Generated by
[ G.2, G.1, G.4 * G.5, G.3 * G.4, G.6 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.2, G.1 * G.2 * G.6, G.1 * G.2 * G.3 * G.4 * G.6, G.1 * G.2 * G.3 * G.5 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
z
+ y
+ x
,
z
+ y
+ x
+ w
,
y
+ x
,
y
,
x
,
z2y2
+ y4
+ z2xw
+ x2w2
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
x
+ w
+ v
.
Maximal Subgroup H #4
Generated by
[ G.2, G.4 * G.5, G.3 * G.4, G.6, G.1 * G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.2, G.1 * G.4, G.1 * G.5 * G.6, G.2 * G.3 * G.5 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
y
+ x
,
z
+ w
,
z
,
x
,
z
+ y
,
z2y2
+ y4
+ z2xw
+ x2w2
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ x
+ w
+ v
.
Maximal Subgroup H #5
Generated by
[ G.3, G.6, G.1 * G.2, G.5, G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.3 * G.5, G.1 * G.2 * G.3, G.3 * G.4, G.4 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
w
,
w
,
y
+ x
+ w
,
z
+ x
,
y
,
z2y2
+ y4
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ y
.
Maximal Subgroup H #6
Generated by
[ G.2, G.3, G.4 * G.5, G.6, G.1 * G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number8
GrpPC of order 32 = 2^5
PC-Relations:
$.3^$.1 = $.3 * $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.3 = $.4 * $.5
Generated by
[ G.2, G.3 * G.4 * G.5, G.4 * G.5, G.1 * G.4 ]
of type
Abelian(2,2) x Dihedral(8)
.
The images of the generators of the cohomology of G
restricted to H are
z
,
w
,
y
,
z
+ y
+ x
,
y
+ x
,
zyx2
+ y2x2
+ zx2w
+ z2w2
+ y2w2
+ v2
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ w
+ v
.
Maximal Subgroup H #7
Generated by
[ G.2, G.3 * G.5 * G.6, G.6, G.1 * G.3, G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.2 * G.6, G.3 * G.4 * G.5 * G.6, G.1 * G.5 * G.6, G.2 * G.3 * G.5 * G.6 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
y
,
z
+ w
,
z
+ x
,
x
,
z
+ y
+ x
,
z2y2
+ y4
+ z2xw
+ x2w2
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ x
+ v
.
Maximal Subgroup H #8
Generated by
[ G.3 * G.5 * G.6, G.2 * G.3, G.6, G.1 * G.3, G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.1 * G.2 * G.6, G.2 * G.3, G.1 * G.3 * G.4, G.1 * G.2 * G.3 * G.4 * G.5 * G.6
]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
z
+ y
+ x
,
z
+ y
+ w
,
y
+ x
+ w
,
y
+ x
,
y
,
z2y2
+ y4
+ z2xw
+ x2w2
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ y
+ x
+ v
.
Maximal Subgroup H #9
Generated by
[ G.3, G.1, G.2 * G.4, G.4 * G.5, G.6 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.1 * G.2 * G.3 * G.4, G.3 * G.4 * G.5 * G.6, G.1 * G.2 * G.3 * G.5 * G.6, G.2
* G.3 * G.5 * G.6 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
y
+ x
,
z
+ y
+ x
,
z
+ y
+ x
+ w
,
y
+ w
,
z
+ x
+ w
,
z2y2
+ y4
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
y
+ w
+ v
.
Maximal Subgroup H #10
Generated by
[ G.3, G.1, G.2 * G.5, G.6, G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.2 * G.5 * G.6, G.3 * G.4, G.1 * G.2 * G.4 * G.5 * G.6, G.2 * G.3 * G.5 * G.6
]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
y
,
z
+ y
+ x
,
z
+ w
,
y
+ w
,
z
+ y
+ x
,
z2y2
+ y4
+ z2xw
+ x2w2
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
y
+ v
.
Maximal Subgroup H #11
Generated by
[ G.2, G.3, G.1, G.6, G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.2, G.1 * G.2 * G.3 * G.4, G.1 * G.2 * G.6, G.1 * G.4 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
z
+ y
+ x
,
z
+ y
+ w
,
y
,
y
+ x
,
0
,
z2y2
+ y4
+ z2xw
+ x2w2
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
v
.
Maximal Subgroup H #12
Generated by
[ G.3, G.2 * G.4, G.4 * G.5, G.6, G.1 * G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.1 * G.2 * G.6, G.3 * G.4 * G.5 * G.6, G.1 * G.5, G.1 * G.4 * G.6 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
z
+ y
+ x
,
z
,
w
,
x
+ w
,
y
+ w
,
z2y2
+ y4
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ y
+ w
+ v
.
Maximal Subgroup H #13
Generated by
[ G.2, G.3, G.6, G.1 * G.4, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.2, G.3, G.1 * G.4, G.2 * G.3 * G.5 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
w
,
z
+ x
,
z
+ y
,
w
,
z
,
z2y2
+ y4
+ z2xw
+ x2w2
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ w
.
Maximal Subgroup H #14
Generated by
[ G.3, G.1, G.6, G.5, G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.1 * G.4 * G.5, G.3 * G.4, G.5, G.4 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
w
,
0
,
x
,
z
+ x
+ w
,
y
+ w
,
z2y2
+ y4
+ z2xw
+ x2w2
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
y
.
Maximal Subgroup H #15
Generated by
[ G.3, G.1, G.2 * G.4, G.6, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number9
GrpPC of order 32 = 2^5
PC-Relations:
$.2^2 = $.5,
$.3^2 = $.5,
$.4^2 = $.5,
$.4^$.2 = $.4 * $.5,
$.4^$.3 = $.4 * $.5
Generated by
[ G.3 * G.5 * G.6, G.1, G.1 * G.2 * G.4 * G.6, G.5 ]
of type
Abelian(2,2) x Quaternion(8)
.
The images of the generators of the cohomology of G
restricted to H are
z
+ y
,
z
,
x
,
z
,
x
+ w
,
y4
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
y
+ w
.
Maximal Subgroup H #16
Generated by
[ G.3, G.2 * G.5, G.1 * G.5, G.6, G.4 ]
.
The group H is abelian of type
[ 4, 2, 2, 2 ]
The cohomology ring of H is a the quotient of
a polynomial ring in the variables
[
z,
y,
x,
w,
v
]
, in degrees
[ 1, 1, 1, 1, 2 ]
, by the ideal of relations
z2
.
The images of the generators of the cohomology of G
restricted to H are
z
+ x
+ w
,
y
,
x
,
w
,
z
+ y
+ x
+ w
,
y2x2
+ x4
+ x2w2
+ y2v
+ w2v
+ v2
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ y
+ v
.
Maximal Subgroup H #17
Generated by
[ G.5, G.4, G.2 * G.3, G.1 * G.3, G.6 ]
.
The group H is abelian of type
[ 4, 2, 2, 2 ]
The cohomology ring of H is a the quotient of
a polynomial ring in the variables
[
z,
y,
x,
w,
v
]
, in degrees
[ 1, 1, 1, 1, 2 ]
, by the ideal of relations
z2
.
The images of the generators of the cohomology of G
restricted to H are
z
+ x
+ w
,
y
,
z
+ y
+ x
+ w
,
w
,
x
,
y2v
+ w2v
+ v2
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ y
+ x
.
Maximal Subgroup H #18
Generated by
[ G.3, G.2 * G.4, G.6, G.1 * G.4, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.2 * G.4 * G.5 * G.6, G.1 * G.4, G.1 * G.3 * G.4 * G.5, G.1 * G.2 * G.3 * G.5
]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
z
+ x
+ w
,
y
+ x
,
z
+ x
,
z
+ y
+ w
,
z
+ y
+ x
,
z2y2
+ y4
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ y
+ w
.
Maximal Subgroup H #19
Generated by
[ G.2, G.3, G.6, G.5, G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.5 * G.6, G.2 * G.5, G.3 * G.4, G.2 * G.3 * G.5 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
0
,
z
+ x
,
z
+ w
,
w
,
z
+ y
+ x
,
z2y2
+ y4
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
.
Maximal Subgroup H #20
Generated by
[ G.2, G.3 * G.5 * G.6, G.1, G.6, G.4 ]
.
The group H is abelian of type
[ 4, 2, 2, 2 ]
The cohomology ring of H is a the quotient of
a polynomial ring in the variables
[
z,
y,
x,
w,
v
]
, in degrees
[ 1, 1, 1, 1, 2 ]
, by the ideal of relations
z2
.
The images of the generators of the cohomology of G
restricted to H are
z
+ x
+ w
,
y
,
x
,
w
,
x
,
y2x2
+ x4
+ x2w2
+ y2v
+ w2v
+ v2
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
x
+ v
.
Maximal Subgroup H #21
Generated by
[ G.2, G.3, G.1 * G.5, G.6, G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.1 * G.4 * G.5 * G.6, G.3 * G.4, G.2 * G.3 * G.4 * G.6, G.4 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
w
,
y
,
y
+ x
,
z
+ y
+ x
+ w
,
w
,
z2y2
+ y4
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ v
.
Maximal Subgroup H #22
Generated by
[ G.1, G.2 * G.3, G.6, G.5, G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.2 * G.3 * G.6, G.4 * G.5, G.1 * G.5 * G.6, G.2 * G.3 * G.5 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
y
,
z
+ x
,
z
+ x
,
w
,
z
+ y
+ w
,
z2y2
+ y4
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
y
+ x
.
Maximal Subgroup H #23
Generated by
[ G.2, G.1, G.3 * G.4, G.6, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.2, G.1 * G.2 * G.3 * G.4 * G.6, G.3 * G.4 * G.5, G.1 * G.3 * G.4 * G.5 * G.6
]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
z
+ y
,
y
+ w
,
z
+ y
+ x
,
z
+ y
+ x
,
z
+ x
,
z2y2
+ y4
+ z2xw
+ x2w2
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
x
+ w
.
Maximal Subgroup H #24
Generated by
[ G.2, G.3 * G.4, G.6, G.1 * G.4, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number8
GrpPC of order 32 = 2^5
PC-Relations:
$.3^$.1 = $.3 * $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.3 = $.4 * $.5
Generated by
[ G.2, G.1 * G.4 * G.5 * G.6, G.2 * G.5 * G.6, G.3 * G.4 * G.6 ]
of type
Abelian(2,2) x Dihedral(8)
.
The images of the generators of the cohomology of G
restricted to H are
z
,
x
+ w
,
y
,
z
+ y
,
z
+ w
,
z2y2
+ zyx2
+ zx2w
+ z2w2
+ v2
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ x
+ w
.
Maximal Subgroup H #25
Generated by
[ G.2, G.3, G.1, G.4 * G.5, G.6 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.2, G.3 * G.4 * G.5 * G.6, G.3 * G.6, G.1 * G.3 * G.4 * G.5 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
z
,
w
,
z
+ y
+ x
,
z
+ x
,
z
+ x
,
z2y2
+ y4
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
w
+ v
.
Maximal Subgroup H #26
Generated by
[ G.1, G.2 * G.4, G.3 * G.4, G.6, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.3 * G.4 * G.5, G.2 * G.4 * G.5, G.1 * G.2 * G.3 * G.5, G.2 * G.3 * G.5 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
x
,
z
+ y
+ x
,
z
+ x
+ w
,
y
+ w
,
z
+ y
+ x
+ w
,
z2y2
+ y4
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
y
+ x
+ w
.
Maximal Subgroup H #27
Generated by
[ G.1, G.2 * G.4, G.4 * G.5, G.3 * G.4, G.6 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number8
GrpPC of order 32 = 2^5
PC-Relations:
$.3^$.1 = $.3 * $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.3 = $.4 * $.5
Generated by
[ G.4 * G.5, G.2 * G.5, G.1 * G.2 * G.5, G.2 * G.3 ]
of type
Abelian(2,2) x Dihedral(8)
.
The images of the generators of the cohomology of G
restricted to H are
z
,
z
+ y
+ x
,
y
,
w
,
z
+ x
+ w
,
z2y2
+ y2x2
+ y2w2
+ v2
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
y
+ x
+ w
+ v
.
Maximal Subgroup H #28
Generated by
[ G.2 * G.4, G.4 * G.5, G.3 * G.4, G.6, G.1 * G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.1 * G.2 * G.3 * G.4 * G.6, G.1 * G.4, G.1 * G.3 * G.4 * G.5, G.1 * G.2 * G.3
* G.5 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
z
+ y
+ x
+ w
,
y
+ x
,
z
+ y
+ x
,
z
+ y
+ w
,
z
+ x
,
z2y2
+ y4
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ y
+ x
+ w
+ v
.
Maximal Subgroup H #29
Generated by
[ G.2, G.6, G.1 * G.3, G.5, G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.1 * G.2 * G.3 * G.4, G.4 * G.5, G.1 * G.3 * G.4 * G.6, G.4 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
y
+ x
,
y
,
y
+ x
,
z
+ y
+ x
+ w
,
w
,
z2y2
+ y4
+ z2xw
+ x2w2
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
+ x
.
Maximal Subgroup H #30
Generated by
[ G.2, G.1, G.6, G.5, G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.2, G.1 * G.2 * G.4 * G.5, G.1 * G.2 * G.6, G.1 * G.4 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
z
+ y
+ x
,
z
+ y
+ w
,
0
,
y
+ x
,
y
,
z2y2
+ y4
+ z2xw
+ x2w2
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
x
.
Maximal Subgroup H #31
Generated by
[ G.3 * G.5 * G.6, G.1, G.2 * G.3, G.6, G.4 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
Generated by
[ G.2 * G.4 * G.5 * G.6, G.3 * G.4 * G.5 * G.6, G.1 * G.4 * G.6, G.4 ]
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The images of the generators of the cohomology of G
restricted to H are
x
,
y
,
w
,
z
+ y
+ x
+ w
,
y
+ w
,
z2y2
+ y4
+ v
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
y
+ x
+ v
.
The essential cohomology of G is zero.
Inflations from Maximal Quotient Groups
Maximal Quotient Group Q #1.
The kernel of the quotient is generated by
G.6
.
The group Q is abelian of type
[ 2, 2, 2, 2, 2 ]
.
The cohomology ring of Q is a polynomial ring
with variables
z
,
y
,
x
,
w
,
v
in degrees
[ 1, 1, 1, 1, 1 ]
The images of the generators of the cohomology of Q
inflated to G are
v
,
w
,
x
,
y
,
z
in the cohomology of G.
The kernel of the inflation to G of the
cohomology of Q is generated by
z2
+ y2
+ zx
+ x2
+ zw
+ xw
+ zv
+ xv
+ v2
,
y2x
+ x3
+ y2w
+ x2w
+ y2v
+ x2v
+ xv2
+ wv2
+ v3
.
Maximal Quotient Group Q #2.
The kernel of the quotient is generated by
G.1 * G.2 * G.4
.
The Group Q is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The generators of G have images
[ pcy.1 * pcy.3 * pcy.5, pcy.1 * pcy.3 * pcy.4, pcy.1 * pcy.2 * pcy.4 * pcy.5,
pcy.1 * pcy.2 * pcy.3 * pcy.4 * pcy.5, pcy.2 * pcy.5 ]
in the quotient group.
The images of the generators of the cohomology of Q
inflated to G are
y
+ x
+ w
+ v
,
z
+ y
+ x
,
y
+ w
+ v
,
y
+ x
+ w
,
z2x2
+ y2w2
+ x2w2
+ z2v2
+ x2v2
+ w2v2
+ v4
+ u
in the cohomology of G.
The kernel of the inflation is zero.
Maximal Quotient Group Q #3.
The kernel of the quotient is generated by
G.1 * G.2 * G.4 * G.6
.
The Group Q is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The generators of G have images
[ pcy.1 * pcy.3 * pcy.5, pcy.1 * pcy.3 * pcy.4, pcy.1 * pcy.2 * pcy.3 * pcy.5,
pcy.1 * pcy.2 * pcy.5, pcy.2 * pcy.3 * pcy.4 ]
in the quotient group.
The images of the generators of the cohomology of Q
inflated to G are
y
+ x
+ w
+ v
,
z
+ y
+ x
,
z
+ x
+ w
+ v
,
z
+ w
,
y3x
+ y2x2
+ zx3
+ yxw2
+ x2w2
+ y3v
+ z2xv
+ yx2v
+ yw2v
+ xw2v
+ yxv2
+ zv3
+ u
in the cohomology of G.
The kernel of the inflation is zero.
Maximal Quotient Group Q #4.
The kernel of the quotient is generated by
G.1 * G.3 * G.5 * G.6
.
The Group Q is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The generators of G have images
[ pcy.1 * pcy.3 * pcy.5, pcy.1 * pcy.3 * pcy.4, pcy.1 * pcy.2 * pcy.4 * pcy.5,
pcy.1 * pcy.2 * pcy.3 * pcy.4 * pcy.5, pcy.2 * pcy.3 * pcy.4 * pcy.5 ]
in the quotient group.
The images of the generators of the cohomology of Q
inflated to G are
y
+ x
+ w
+ v
,
z
+ y
+ x
,
z
+ y
+ w
+ v
,
z
+ y
+ x
+ w
,
z2x2
+ y2w2
+ x2w2
+ z2v2
+ x2v2
+ w2v2
+ v4
+ u
in the cohomology of G.
The kernel of the inflation is zero.
Maximal Quotient Group Q #5.
The kernel of the quotient is generated by
G.1 * G.3 * G.5
.
The Group Q is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The generators of G have images
[ pcy.1 * pcy.3 * pcy.5, pcy.1 * pcy.3 * pcy.4, pcy.1 * pcy.2 * pcy.3 * pcy.5,
pcy.1 * pcy.2 * pcy.5, pcy.2 ]
in the quotient group.
The images of the generators of the cohomology of Q
inflated to G are
y
+ x
+ w
+ v
,
z
+ y
+ x
,
x
+ w
+ v
,
w
,
y3x
+ y2x2
+ zx3
+ yxw2
+ x2w2
+ y3v
+ z2xv
+ yx2v
+ yw2v
+ xw2v
+ yxv2
+ zv3
+ u
in the cohomology of G.
The kernel of the inflation is zero.
Maximal Quotient Group Q #6.
The kernel of the quotient is generated by
G.2 * G.3 * G.4 * G.5
.
The Group Q is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The generators of G have images
[ pcy.1 * pcy.4 * pcy.5, pcy.1, pcy.1 * pcy.2 * pcy.3 * pcy.5, pcy.1 * pcy.2 *
pcy.3 * pcy.4 * pcy.5, pcy.2 ]
in the quotient group.
The images of the generators of the cohomology of Q
inflated to G are
y
+ x
+ w
+ v
,
z
+ y
+ x
,
y
+ x
,
y
+ v
,
y3x
+ y2x2
+ zx3
+ yxw2
+ x2w2
+ y3v
+ z2xv
+ yx2v
+ yw2v
+ xw2v
+ yxv2
+ zv3
+ u
in the cohomology of G.
The kernel of the inflation is zero.
Maximal Quotient Group Q #7.
The kernel of the quotient is generated by
G.2 * G.3 * G.4 * G.5 * G.6
.
The Group Q is Isomorphic to the
Group of Order 32 Number10
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.5,
$.2^2 = $.5,
$.3^$.2 = $.3 * $.5,
$.4^$.2 = $.4 * $.5
of type
Cyclic(2) x AlmostExtraSpecial(16)
.
The generators of G have images
[ pcy.1 * pcy.3 * pcy.5, pcy.1, pcy.1 * pcy.2 * pcy.3 * pcy.5, pcy.1 * pcy.2,
pcy.2 * pcy.3 * pcy.4 ]
in the quotient group.
The images of the generators of the cohomology of Q
inflated to G are
y
+ x
+ w
+ v
,
z
+ y
+ x
,
z
+ x
+ v
,
z
,
y3x
+ y2x2
+ zx3
+ y2w2
+ yxw2
+ x2w2
+ y3v
+ z2xv
+ yx2v
+ yw2v
+ xw2v
+ yxv2
+ zv3
+ u
in the cohomology of G.
The kernel of the inflation is zero.
Action of Automorphisms
The groups of outer automorphisms of G has order 18432, and is generated by
13 elements.
Automorphism #1
The order of the class of the automorphism in the
outer automorphism group is 2.
The images of the generators of G are
G.1 * G.6
G.2
G.3
G.4 * G.6
G.5 * G.6
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
,
y
,
x
,
w
,
v
,
u
.
Automorphism #2
The order of the class of the automorphism in the
outer automorphism group is 2.
The images of the generators of G are
G.1
G.2 * G.6
G.3 * G.6
G.4
G.5
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
,
y
,
x
,
w
,
v
,
y3x
+ z2x2
+ y2x2
+ zx3
+ y2w2
+ yxw2
+ y3v
+ z2xv
+ yx2v
+ yw2v
+ xw2v
+ z2v2
+ yxv2
+ x2v2
+ w2v2
+ zv3
+ v4
+ u
.
Automorphism #3
The order of the class of the automorphism in the
outer automorphism group is 2.
The images of the generators of G are
G.1
G.2 * G.6
G.3 * G.6
G.4
G.5 * G.6
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
,
y
,
x
,
w
,
v
,
y2w2
+ u
.
Automorphism #4
The order of the class of the automorphism in the
outer automorphism group is 2.
The images of the generators of G are
G.1 * G.2 * G.3 * G.4 * G.5
G.2
G.3
G.2 * G.3 * G.5 * G.6
G.2 * G.3 * G.4 * G.6
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
,
z
+ y
+ w
+ v
,
z
+ x
+ w
+ v
,
z
+ v
,
z
+ w
,
u
.
Automorphism #5
The order of the class of the automorphism in the
outer automorphism group is 2.
The images of the generators of G are
G.1
G.2
G.2 * G.4 * G.5
G.4
G.2 * G.3 * G.4 * G.6
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
,
y
+ x
+ v
,
v
,
x
+ w
+ v
,
x
,
u
.
Automorphism #6
The order of the class of the automorphism in the
outer automorphism group is 2.
The images of the generators of G are
G.2 * G.4
G.1 * G.4 * G.6
G.3
G.4
G.1 * G.2 * G.4 * G.5 * G.6
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
y
+ v
,
z
+ v
,
x
,
z
+ y
+ w
+ v
,
v
,
u
.
Automorphism #7
The order of the class of the automorphism in the
outer automorphism group is 2.
The images of the generators of G are
G.1
G.2
G.1 * G.5
G.4
G.1 * G.3 * G.6
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
+ x
+ v
,
y
,
v
,
w
,
x
,
u
.
Automorphism #8
The order of the class of the automorphism in the
outer automorphism group is 2.
The images of the generators of G are
G.1 * G.2 * G.3 * G.4 * G.5
G.3 * G.4 * G.5
G.2 * G.4 * G.5
G.4
G.5
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
,
z
+ x
,
z
+ y
,
z
+ y
+ x
+ w
,
z
+ y
+ x
+ v
,
u
.
Automorphism #9
The order of the class of the automorphism in the
outer automorphism group is 2.
The images of the generators of G are
G.2 * G.4
G.2
G.3
G.1 * G.2
G.1 * G.2 * G.4 * G.5 * G.6
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
w
+ v
,
z
+ y
+ w
+ v
,
x
,
z
+ v
,
v
,
u
.
Automorphism #10
The order of the class of the automorphism in the
outer automorphism group is 3.
The images of the generators of G are
G.1 * G.2 * G.4 * G.5 * G.6
G.4 * G.5 * G.6
G.1 * G.2 * G.3 * G.4 * G.5 * G.6
G.4
G.1 * G.5 * G.6
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
+ x
+ v
,
z
+ x
,
x
,
z
+ y
+ x
+ w
,
z
+ y
+ x
+ v
,
u
.
Automorphism #11
The order of the class of the automorphism in the
outer automorphism group is 3.
The images of the generators of G are
G.1
G.1 * G.2 * G.3 * G.5
G.1 * G.5
G.4
G.1 * G.2 * G.4 * G.5 * G.6
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
+ y
+ x
+ v
,
y
+ v
,
y
,
w
+ v
,
y
+ x
+ v
,
y3x
+ z2x2
+ y2x2
+ zx3
+ y2w2
+ yxw2
+ y3v
+ z2xv
+ yx2v
+ yw2v
+ xw2v
+ z2v2
+ yxv2
+ x2v2
+ w2v2
+ zv3
+ v4
+ u
.
Automorphism #12
The order of the class of the automorphism in the
outer automorphism group is 2.
The images of the generators of G are
G.1
G.2
G.1 * G.3 * G.6
G.4
G.1 * G.5 * G.6
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
+ x
+ v
,
y
,
x
,
w
,
v
,
u
.
Automorphism #13
The order of the class of the automorphism in the
outer automorphism group is 2.
The images of the generators of G are
G.1
G.1 * G.2 * G.3 * G.5
G.1 * G.5
G.4
G.1 * G.3 * G.6
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
+ y
+ x
+ v
,
y
,
y
+ v
,
w
,
y
+ x
,
y2w2
+ u
.
CHECKS
paramflag =
true
qregflagflag =
true
cmflag =
true
essflag =
true
centflag =
true
THE COMPUTATION IS COMPLETE