/**************************************************************/ /**************************************************************/ // This is a data file readable by magma. group_order := 16; hall_number := 3; G := FreeGroup(Ilog2(group_order)); field := GF(4); one_var_ring := PolynomialRing(Integers()); hilbert_ring := FieldOfFractions(one_var_ring); master_polynomial_ring := PolynomialRing(field, 23); string_variables := ["z","y","x", "w","v","u","t","s","r","q","p","n", "m","k","j","i","h","g","f","e","d","c","b"]; AssignNames(~master_polynomial_ring, string_variables); isomorphism_type := "Abelian(4,4)"; magma_number := 2; comment_ABELIAN_GROUP_DATA := "Three items are stored: the variables, their degrees and the generators of the ideal of relations of the cohomology ring."; variables := [ z, y, x, w ]; degrees := [ 1, 1, 2, 2 ]; relations := [ z^2, y^2 ]; super_groups := [ 14, 15, 15, 15, 16, 16, 19, 21, 31, 34, 35, 39, 40, 41 ] ; super_quots := [ 18, 19 ] ;