gap> K:=RegularCWComplex(PureComplexComplement(PurePermutahedralKnot(3,1)));
Regular CW-complex of dimension 3

gap> Size(K);
77923
gap> B:=BarycentricSubdivision(K);
Simplicial complex of dimension 3.

gap> Size(B);
1622517
gap> N:=Nerve(K);
Simplicial complex of dimension 3.

gap> Size(N);
48745
