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gap> pg := PG(3,169);
ProjectiveSpace(3, 169)
gap> p := Random(Points(pg));
<a point in ProjectiveSpace(3, 169)>
gap> UnderlyingObject(p);
<cvec over GF(13,2) of length 4>
gap> Unpack(last);
[ Z(13)^0, Z(13^2)^49, Z(13^2)^31, Z(13^2)^143 ]
gap> l := Random(Lines(pg));
<a line in ProjectiveSpace(3, 169)>
gap> UnderlyingObject(l);
<cmat 2x4 over GF(13,2)>
gap> Unpack(last);
[ [ Z(13)^0, 0*Z(13), 0*Z(13), Z(13^2)^96 ],
[ 0*Z(13), Z(13)^0, Z(13^2)^113, Z(13^2)^99 ] ]
gap> quadric := EllipticQuadric(5,2);
Q-(5, 2)
gap> line := Random(Lines(quadric));
<a line in Q-(5, 2)>
gap> UnderlyingObject(line);
<cmat 2x6 over GF(2,1)>
gap> Unpack(last);
[ [ 0*Z(2), 0*Z(2), Z(2)^0, 0*Z(2), 0*Z(2), Z(2)^0 ],
[ 0*Z(2), 0*Z(2), 0*Z(2), Z(2)^0, Z(2)^0, 0*Z(2) ] ]
gap> ag := AG(4,3);
AG(4, 3)
gap> plane := Random(Planes(ag));
<a plane in AG(4, 3)>
gap> UnderlyingObject(plane);
[ <cvec over GF(3,1) of length 4>, <cmat 2x4 over GF(3,1)> ]
[ Dauer der Verarbeitung: 0.14 Sekunden
(vorverarbeitet)
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