# Character: X6 # Comment: worked it out on paper # Ind: -1 # Ring: C # Sparsity: 37% local b, B, w, W, i, result, delta, idmat; result := rec(); w := E(3); W := E(3)^2; b := E(7)+E(7)^2+E(7)^4; B := -1-b; # b7, b7** i := E(4); result.comment := "2A5 as 2 x 2 matrices\n"; result.generators := [ [[0,-1], [1,0]] , [[-1,E(5)], [-E(5)^4,0]]]; result.symmetricforms := [ ]; result.antisymmetricforms := [[0,1],[-1,0]]; result.hermitianforms := [ ]; result.centralizeralgebra := [ ]; return result;