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#This example uses GraphViz software.
H:=SymmetricGroup(5);;SetName(H,"S5");;
A:=SymmetricGroup(3);;SetName(A,"S3");;
alpha:=GroupHomomorphismByImages(A,H,[(1,2),(1,2,3)], [(3,4),(3,4,5)]);;
beta:=GroupHomomorphismByFunction(A,H,x->x);;
L:=[H,[alpha,beta]];;
GraphOfGroupsDisplay(L);;
R:=ResolutionGraphOfGroups(L,8);;
Print(Homology(TensorWithIntegers(R),7),"\n");
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