gap&gt; Enumerator(Points(ParabolicQuadric(6,3)));
EnumeratorOfSubspacesOfClassicalPolarSpace( &lt;points of Q(6, 3)&gt; )
gap&gt; Enumerator(Lines(HermitianPolarSpace(4,4)));
EnumeratorOfSubspacesOfClassicalPolarSpace( &lt;lines of H(4, 2^2)&gt; )
gap&gt; planes := List(Planes(HermitianPolarSpace(5,4)));;
gap&gt; time;
11515
gap&gt; Length(planes);
891
