Doing it with "Last" also yields [[8,2],[8,2]]. gap> G := CyclicGroup(4);; gap> A := TrivialGModule(G, GF(2));; gap> A1 := AutomorphismGroup(G);; gap> A2 := GL(1,2);; gap> D := DirectProduct(A1,A2);; gap> P := CompatiblePairs(G,A,D);; gap> M := ExtensionRepresentatives(G,A,P); [ <pc group of size 8 with 3 generators>, <pc group of size 8 with 3 generators> ] gap> List(last, IdGroup); [ [ 8, 2 ], [ 8, 2 ] ] gap>
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