gap> U:=UniversalCover(W);;
gap> G:=U!.group;;
gap> Wtilde:=EquivariantCWComplexToRegularCWComplex(U,Group(One(G)));
Regular CW-complex of dimension 3
gap> Homology(Wtilde,1);
[ ]
gap> Homology(Wtilde,2);
[ ]
gap> Homology(Wtilde,3);
[ 0 ]
gap> F:=FundamentalGroup(Wtilde);
<fp group on the generators [ ]>
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(vorverarbeitet am 2026-07-01)
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