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gap> ps := HermitianPolarSpace(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> called from
<function "unknown">( <arguments> )
called from read-eval loop at line 11 of *stdin*
you can 'quit;' to quit to outer loop, or
you can 'return;' to continue
brk> quit;
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