GROUP OF ORDER 64 #75
GROUP #75
Cyclic(2) x Group(32)#40
The MAGMA library number for G is 208
GrpPC : G of order 64 = 2^6
PC-Relations:
G.1^2 = G.5 * G.6,
G.2^2 = G.5,
G.3^2 = G.5 * G.6,
G.4^2 = G.6,
G.4^G.1 = G.4 * G.6,
G.4^G.2 = G.4 * G.5,
G.4^G.3 = G.4 * G.6
The center of G is abelian of type
[ 2, 2, 2 ]
.
The orders of the terms of the lower central series are
[ 64, 4, 1 ]
.
The orders of the terms of the upper central series are
[ 1, 8, 64 ]
.
The order of the Frattini subgroup is 4.
The exponent of G is 4.
G has a unique maximal elementary abelian subgroup which is
central in G and has order 8.
The cohomology ring of G is the quotient of a polynomial
ring in the variables
[
z,
y,
x,
w,
v,
u,
t,
s
]
in degrees
[ 1, 1, 1, 1, 3, 3, 4, 4 ]
, by the ideal generated by the relations
z2
+ x2
+ zw
+ xw
+ w2
,
y2
+ zw
+ yw
+ xw
+ w2
,
zw2
+ xw2
,
w3
,
zv
+ xv
+ wu
,
wv
+ zu
+ xu
+ wu
,
zwu
+ xwu
+ w2u
,
zwt
+ xwt
+ zws
+ xws
+ w2s
+ vu
+ u2
,
w2t
+ zws
+ xws
+ u2
,
v2
+ vu
+ u2
.
The Hilbert series for the cohomology ring is
-t4 -t3 -t2 -t -1 / t7
-3t6+ 5t5 -7t4+ 7t3 -5t2+
3t -1.
Its numerator factors as
(
t4+t3+t2+t+1
)
.
Its denominator factors as
(
t-1
)3
(
t2+1
)2
.
The Krull dimension of the cohomology ring is 3.
The cohomology ring is Cohen-Macaulay and the longest
regular sequence consists of the generators
z2
,
t
,
s
.
Restriction to the Maximal Elementary Abelian
Subgroup
Generated by
[ G.1 * G.3, G.1 * G.3 * G.5 * G.6, G.1 * G.3 * G.6 ]
The cohomology ring of E is a polynomial ring in the
variables
z
,
y
,
x
.
The images of the generators of the cohomology of G
restricted to E are
z
+ y
+ x
,
0
,
z
+ y
+ x
,
0
,
0
,
0
,
x4
,
z4
+ x4
in the cohomology of E.
The kernel of the restriction to E (Minimal Prime) of the
cohomology of G is generated by
z
+ x
,
y
,
w
,
v
,
u
.
This ideal is also the nilradical of the
cohomology of G.
It is nilpotent of degree 5.
Restrictions to Maximal Subgroups
Maximal Subgroup H #1
Generated by
[ G.1, G.6, G.2, G.5, G.3 ]
.
The group H is abelian of type
[ 4, 4, 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, 2, 2 ]
, by the ideal of relations
z2
,
y2
.
The images of the generators of the cohomology of G
restricted to H are
y
+ x
,
z
+ y
,
x
,
0
,
yv
,
yw
,
zyw
+ w2
+ v2
,
zyv
+ w2
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.3, G.1 * G.3, G.3 * G.4 * G.6, G.6, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number12
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4,
$.2^2 = $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.5,
$.3^$.1 = $.3 * $.5
Generated by
[ G.1 * G.2 * G.3 * G.4 * G.5, G.1 * G.4, G.3 * G.4 * G.5 * G.6 ]
of type
Cyclic(2) x Group(16)#10
.
The images of the generators of the cohomology of G
restricted to H are
z
+ x
,
z
,
z
+ y
,
z
+ y
+ x
,
y2x
+ yx2
+ zw
+ yv
+ xv
,
y3
+ zyx
+ yx2
+ zw
+ yw
+ xw
+ zv
,
y3x
+ yx3
+ y2w
+ x2w
+ y2v
+ x2v
+ w2
,
y2x2
+ y2v
+ x2v
+ v2
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.1 * G.2, G.4, G.6, G.5, G.3 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number40
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4 * $.5,
$.2^2 = $.4 * $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.4,
$.3^$.2 = $.3 * $.5
Generated by
[ G.1 * G.2 * G.3, G.1 * G.2, G.4 ]
.
The images of the generators of the cohomology of G
restricted to H are
z
+ x
,
z
+ x
,
x
,
y
,
y2x
+ w
+ v
,
zyx
+ y2x
+ w
,
xw
+ yv
+ u
,
xw
+ yv
+ xv
+ u
+ t
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 #4
Generated by
[ G.1 * G.4, G.6, G.2, G.5, G.3 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number40
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4 * $.5,
$.2^2 = $.4 * $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.4,
$.3^$.2 = $.3 * $.5
Generated by
[ G.1 * G.2 * G.3 * G.4, G.2 * G.3 * G.5 * G.6, G.2 ]
.
The images of the generators of the cohomology of G
restricted to H are
y
,
z
+ y
+ x
,
z
+ y
,
y
,
zyx
+ y2x
+ w
+ v
,
w
,
yw
+ xw
+ yv
+ u
,
yw
+ xw
+ xv
+ u
+ t
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 #5
Generated by
[ G.1, G.4, G.6, G.2, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number40
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4 * $.5,
$.2^2 = $.4 * $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.4,
$.3^$.2 = $.3 * $.5
Generated by
[ G.1, G.1 * G.2 * G.4, G.2 ]
.
The images of the generators of the cohomology of G
restricted to H are
z
+ y
,
y
+ x
,
0
,
y
,
zyx
+ w
+ v
,
v
,
yw
+ yv
+ xv
+ u
+ t
,
xw
+ yv
+ xv
+ u
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
x
.
Maximal Subgroup H #6
Generated by
[ G.4, G.6, G.2, G.5, G.3 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number40
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4 * $.5,
$.2^2 = $.4 * $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.4,
$.3^$.2 = $.3 * $.5
Generated by
[ G.2 * G.3 * G.4, G.2, G.3 ]
.
The images of the generators of the cohomology of G
restricted to H are
0
,
y
+ x
,
z
+ y
,
y
,
zyx
+ w
+ v
,
v
,
yw
+ yv
+ xv
+ u
+ t
,
xw
+ yv
+ xv
+ u
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
z
.
Maximal Subgroup H #7
Generated by
[ G.1 * G.3, G.5, G.6, G.4, G.2 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number12
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4,
$.2^2 = $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.5,
$.3^$.1 = $.3 * $.5
Generated by
[ G.1 * G.2 * G.3 * G.4 * G.5, G.1 * G.2 * G.3 * G.5 * G.6, G.2 * G.5 * G.6 ]
of type
Cyclic(2) x Group(16)#10
.
The images of the generators of the cohomology of G
restricted to H are
z
+ x
,
z
+ y
+ x
,
z
+ x
,
z
,
zw
+ zv
,
y3
+ zyx
+ yx2
+ zw
,
y2w
+ x2w
+ w2
+ v2
,
y3x
+ y2x2
+ yx3
+ y2w
+ x2w
+ y2v
+ x2v
+ v2
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 #8
Generated by
[ G.1, G.4, G.6, G.5, G.3 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number12
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4,
$.2^2 = $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.5,
$.3^$.1 = $.3 * $.5
Generated by
[ G.1 * G.3 * G.4 * G.6, G.3 * G.4, G.4 * G.5 ]
of type
Cyclic(2) x Group(16)#10
.
The images of the generators of the cohomology of G
restricted to H are
x
,
0
,
z
+ x
,
z
+ y
+ x
,
y3
+ yx2
+ zw
+ yv
+ xv
,
y3
+ yx2
+ yw
+ xw
+ zv
+ yv
+ xv
,
y2v
+ x2v
+ v2
,
y2w
+ x2w
+ w2
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
y
.
Maximal Subgroup H #9
Generated by
[ G.1, G.2 * G.3, G.4, G.6, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number40
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4 * $.5,
$.2^2 = $.4 * $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.4,
$.3^$.2 = $.3 * $.5
Generated by
[ G.1 * G.2 * G.3, G.2 * G.3, G.1 * G.2 * G.3 * G.4 * G.5 * G.6 ]
.
The images of the generators of the cohomology of G
restricted to H are
y
+ x
,
z
+ y
+ x
,
z
+ y
+ x
,
y
,
y2x
+ w
+ v
,
zyx
+ y2x
+ w
,
yw
+ xw
+ yv
+ u
,
yw
+ xw
+ xv
+ u
+ t
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 #10
Generated by
[ G.2 * G.3, G.1 * G.3, G.4, G.6, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number12
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4,
$.2^2 = $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.5,
$.3^$.1 = $.3 * $.5
Generated by
[ G.1 * G.3 * G.4, G.2 * G.3 * G.4 * G.5 * G.6, G.1 * G.2 * G.4 ]
of type
Cyclic(2) x Group(16)#10
.
The images of the generators of the cohomology of G
restricted to H are
z
+ y
,
y
+ x
,
z
+ x
,
z
+ y
+ x
,
y2x
+ yx2
+ zw
+ yv
+ xv
,
y3
+ zyx
+ yx2
+ zw
+ yw
+ xw
+ zv
,
y3x
+ yx3
+ w2
,
y2x2
+ y2w
+ x2w
+ y2v
+ x2v
+ 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 #11
Generated by
[ G.1, G.2 * G.4, G.6, G.5, G.3 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number12
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4,
$.2^2 = $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.5,
$.3^$.1 = $.3 * $.5
Generated by
[ G.2 * G.4 * G.5, G.2 * G.3 * G.4, G.1 * G.2 * G.3 * G.4 * G.6 ]
of type
Cyclic(2) x Group(16)#10
.
The images of the generators of the cohomology of G
restricted to H are
x
,
z
+ y
+ x
,
z
+ x
,
z
+ y
+ x
,
y3
+ yx2
+ zw
+ yv
+ xv
,
y3
+ yx2
+ yw
+ xw
+ zv
+ yv
+ xv
,
y3x
+ yx3
+ v2
,
w2
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 #12
Generated by
[ G.1 * G.4, G.2 * G.4, G.6, G.5, G.3 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number40
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4 * $.5,
$.2^2 = $.4 * $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.4,
$.3^$.2 = $.3 * $.5
Generated by
[ G.1 * G.2 * G.3, G.1 * G.4, G.3 ]
.
The images of the generators of the cohomology of G
restricted to H are
y
+ x
,
x
,
z
+ x
,
y
,
y2x
+ w
+ v
,
zyx
+ v
,
yw
+ xv
+ u
+ t
,
yw
+ xw
+ xv
+ u
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 #13
Generated by
[ G.1, G.3 * G.4 * G.6, G.6, G.2, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number40
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4 * $.5,
$.2^2 = $.4 * $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.4,
$.3^$.2 = $.3 * $.5
Generated by
[ G.1, G.2 * G.3 * G.4 * G.5, G.2 ]
.
The images of the generators of the cohomology of G
restricted to H are
z
,
y
+ x
,
y
,
y
,
zyx
+ w
+ v
,
v
,
yw
+ yv
+ xv
+ u
+ t
,
xw
+ yv
+ xv
+ u
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 #14
Generated by
[ G.1 * G.3, G.3 * G.4 * G.6, G.5, G.6, G.2 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number12
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4,
$.2^2 = $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.5,
$.3^$.1 = $.3 * $.5
Generated by
[ G.1 * G.2 * G.3 * G.6, G.2 * G.6, G.1 * G.2 * G.4 ]
of type
Cyclic(2) x Group(16)#10
.
The images of the generators of the cohomology of G
restricted to H are
z
+ x
,
z
+ y
+ x
,
x
,
z
,
y3
+ zyx
+ yx2
+ zw
+ zv
,
zv
,
y3x
+ yx3
+ y2v
+ x2v
+ v2
,
y2x2
+ y2w
+ x2w
+ y2v
+ x2v
+ w2
+ 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 #15
Generated by
[ G.1, G.2 * G.3, G.3 * G.4 * G.6, G.6, G.5 ]
.
The Group H is Isomorphic to the
Group of Order 32 Number40
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4 * $.5,
$.2^2 = $.4 * $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.4,
$.3^$.2 = $.3 * $.5
Generated by
[ G.1 * G.3 * G.4, G.1 * G.2 * G.3, G.2 * G.3 ]
.
The images of the generators of the cohomology of G
restricted to H are
y
+ x
,
z
+ x
,
z
+ y
+ x
,
y
,
y2x
+ w
+ v
,
zyx
+ y2x
+ w
,
xw
+ yv
+ u
,
xw
+ yv
+ xv
+ u
+ t
in the cohomology of H.
The kernel of the restriction to H of the
cohomology of G is generated by
y
+ x
+ w
.
The essential cohomology of G is
generated as an ideal by
yxw2
,
zyxw
+ yx2w
,
zyx2u
+ yx3u
,
yx2wu
,
x2w2u
.
It is nilpotent of degree 2.
The annihilator of the Essential Cohomology has dimension
3
.
Inflations from Maximal Quotient Groups
Maximal Quotient Group Q #1.
The kernel of the quotient is generated by
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.2 * pcy.4 * pcy.5, pcy.3 * pcy.5, pcy.1 * pcy.3 * pcy.5, pcy.4 ]
in the quotient group.
The images of the generators of the cohomology of Q
inflated to G are
y
+ w
,
w
,
y
+ x
,
z
+ w
,
z2x2
+ y2x2
+ yu
+ wu
+ t
in the cohomology of G.
The kernel of the inflation to G of the
cohomology of Q is generated by
zy
+ x2
+ w2
,
zx2
+ yx2
+ zw2
+ yw2
.
Maximal Quotient Group Q #2.
The kernel of the quotient is generated by
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.2, pcy.1 * pcy.3 * pcy.4, pcy.1 * pcy.4 * pcy.5, pcy.1 ]
in the quotient group.
The images of the generators of the cohomology of Q
inflated to G are
z
+ y
+ x
+ w
,
w
,
x
,
y
+ x
,
yv
+ s
in the cohomology of G.
The kernel of the inflation to G of the
cohomology of Q is generated by
zy
+ x2
+ w2
,
zx2
+ yx2
+ zw2
+ yw2
.
Maximal Quotient Group Q #3.
The kernel of the quotient is generated by
G.5
.
The Group Q 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
of type
Abelian(2,2) x Quaternion(8)
.
The generators of G have images
[ pcy.4, pcy.3, pcy.2 * pcy.3 * pcy.5, pcy.1 * pcy.2 ]
in the quotient group.
The images of the generators of the cohomology of Q
inflated to G are
z
,
z
+ y
,
y
+ x
,
w
,
y2x2
+ yv
+ zu
+ yu
+ xu
+ t
+ s
in the cohomology of G.
The kernel of the inflation to G of the
cohomology of Q is generated by
z2
+ x2
+ zw
+ yw
,
yw2
+ xw2
.
Maximal Quotient Group Q #4.
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 Number40
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4 * $.5,
$.2^2 = $.4 * $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.4,
$.3^$.2 = $.3 * $.5
.
The generators of G have images
[ pcy.1 * pcy.2 * pcy.3 * pcy.4 * pcy.5, pcy.1, pcy.3, pcy.1 * pcy.4 ]
in the quotient group.
The images of the generators of the cohomology of Q
inflated to G are
z
+ x
+ w
,
w
,
y
+ w
,
y3
+ z2x
+ zx2
+ yw2
+ v
+ u
,
z2x
+ x3
+ x2w
+ zw2
+ u
,
y3x
+ y2x2
+ zyxw
+ z2w2
+ yv
+ zu
+ xu
+ s
,
z2x2
+ y2x2
+ z2w2
+ yv
+ yu
+ t
+ s
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.6
.
The Group Q is Isomorphic to the
Group of Order 32 Number40
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4 * $.5,
$.2^2 = $.4 * $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.4,
$.3^$.2 = $.3 * $.5
.
The generators of G have images
[ pcy.1 * pcy.2 * pcy.3 * pcy.4 * pcy.5, pcy.1, pcy.3, pcy.1 * pcy.5 ]
in the quotient group.
The images of the generators of the cohomology of Q
inflated to G are
z
+ x
+ w
,
w
,
y
+ w
,
y3
+ zx2
+ x3
+ x2w
+ yw2
+ v
+ u
,
z2x
+ zx2
+ zw2
+ u
,
y3x
+ z2x2
+ y2x2
+ zyxw
+ z2w2
+ yv
+ zu
+ xu
+ s
,
y3x
+ zyxw
+ yv
+ yu
+ t
+ s
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.1 * G.3 * G.5 * G.6
.
The Group Q is Isomorphic to the
Group of Order 32 Number40
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4 * $.5,
$.2^2 = $.4 * $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.4,
$.3^$.2 = $.3 * $.5
.
The generators of G have images
[ pcy.1 * pcy.2 * pcy.3 * pcy.4 * pcy.5, pcy.1, pcy.3, pcy.1 ]
in the quotient group.
The images of the generators of the cohomology of Q
inflated to G are
z
+ x
+ w
,
w
,
y
+ w
,
y3
+ z2x
+ x3
+ yw2
+ v
+ u
,
u
,
yv
+ zu
+ xu
+ s
,
y2x2
+ yv
+ yu
+ t
+ s
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.1 * G.3
.
The Group Q is Isomorphic to the
Group of Order 32 Number40
GrpPC of order 32 = 2^5
PC-Relations:
$.1^2 = $.4 * $.5,
$.2^2 = $.4 * $.5,
$.3^2 = $.5,
$.2^$.1 = $.2 * $.4,
$.3^$.2 = $.3 * $.5
.
The generators of G have images
[ pcy.1 * pcy.2 * pcy.3 * pcy.4 * pcy.5, pcy.1, pcy.3, pcy.1 * pcy.4 * pcy.5 ]
in the quotient group.
The images of the generators of the cohomology of Q
inflated to G are
z
+ x
+ w
,
w
,
y
+ w
,
y3
+ x2w
+ yw2
+ v
+ u
,
zx2
+ x3
+ x2w
+ u
,
z2x2
+ yv
+ zu
+ xu
+ s
,
y3x
+ z2x2
+ zyxw
+ z2w2
+ yv
+ yu
+ t
+ s
in the cohomology of G.
The kernel of the inflation is zero.
Action of Automorphisms
The groups of outer automorphisms of G has order 1024, and is generated by
10 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.2 * G.6
G.3
G.4 * G.6
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
,
yw2
+ v
,
y3
+ yw2
+ u
,
t
,
s
.
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.5 * G.6
G.2 * G.5 * G.6
G.3 * G.5 * 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
,
yw2
+ v
,
y3
+ yw2
+ u
,
t
,
s
.
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.6
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
,
yw2
+ v
,
y3
+ yw2
+ u
,
t
,
s
.
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.5 * G.6
G.2
G.3
G.4 * G.5 * G.6
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
,
z2x
+ zx2
+ v
,
zx2
+ x3
+ x2w
+ u
,
z2yx
+ y3x
+ zyx2
+ y2x2
+ zy2w
+ t
,
z2yx
+ z2x2
+ zyx2
+ z2w2
+ s
.
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.6
G.2
G.3
G.4 * G.6
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
,
z2x
+ zx2
+ x2w
+ zw2
+ v
,
z2x
+ x3
+ x2w
+ zw2
+ u
,
z2x2
+ zyxw
+ z2w2
+ t
,
z2yx
+ y3x
+ zyx2
+ zy2w
+ zyxw
+ s
.
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.1
G.2
G.3
G.1 * G.3 * G.4 * G.5 * G.6
G.5
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
+ w
,
y
,
x
+ w
,
w
,
v
,
u
,
t
,
s
.
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.1 * G.2 * G.3 * G.5 * G.6
G.3
G.1 * G.3 * G.4 * G.5 * G.6
G.5
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
+ y
+ w
,
y
,
y
+ x
+ w
,
w
,
y3
+ yw2
+ v
,
u
,
t
,
s
.
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.3
G.1 * G.2 * G.3 * G.5 * G.6
G.1
G.4
G.5
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
y
+ x
,
y
,
z
+ y
,
w
,
y3
+ yw2
+ v
,
u
,
t
,
s
.
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.1
G.2
G.3
G.2 * G.4 * G.5
G.5
G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
,
y
+ w
,
x
,
w
,
v
,
u
,
z2w2
+ wu
+ t
,
zu
+ xu
+ wu
+ s
.
Automorphism #10
The order of the class of the automorphism in the
outer automorphism group is 4.
The images of the generators of G are
G.1 * G.2 * G.5 * G.6
G.2
G.2 * G.3 * G.5 * G.6
G.3 * G.4 * G.5 * G.6
G.5
G.5 * G.6
.
The images of the generators of the cohomology of G
under the map induced by the automorphism are
z
,
z
+ y
+ x
,
x
+ w
,
w
,
zw2
+ yw2
+ v
,
y3
+ z2x
+ x3
+ yw2
+ v
+ u
,
zy2w
+ zyxw
+ yu
+ wu
+ s
,
y2x2
+ zy2w
+ yv
+ yu
+ t
.
CHECKS
paramflag =
true
qregflagflag =
true
cmflag =
true
essflag =
true
centflag =
true
THE COMPUTATION IS COMPLETE