gap> ps := HermitianVariety(4,64);
H(4, 8^2)
gap> phi := PolarityOfProjectiveSpace(ps);
<polarity of PG(4, GF(2^6)), >
gap> ps := ParabolicQuadric(6,8);
Q(6, 8)
gap> PolarityOfProjectiveSpace(ps);
Error, no polarity of the ambient projective space can be associated to <ps> c
alled from
<function>( <arguments> ) called from read-eval-loop
Entering break read-eval-print loop ...
you can 'quit;' to quit to outer loop, or
you can 'return;' to continue
brk> quit;