gap> A:=AbelianPcpGroup([2,4,8,0,0]);;
gap> StructureDescription(A);
"Z x Z x C8 x C4 x C2"

gap> R:=ResolutionAbelianGroup(A,10);
Resolution of length 10 in characteristic 0 for Pcp-group with orders 
[ 2, 4, 8, 0, 0 ] . 

gap> Size(R);
[ 14, 90, 296, 680, 1256, 2024, 2984, 4136, 5480, 7016 ]
