Projective General Orthogonal Group

The projective general orthogonal group ${\it PGO}_n(q)$ is the Group obtained from the General Orthogonal Group ${\it GO}_n(q)$ on factoring the scalar Matrices contained in that group.

See also General Orthogonal Group, Projective General Linear Group, Projective General Unitary Group

References

Conway, J. H.; Curtis, R. T.; Norton, S. P.; Parker, R. A.; and Wilson, R. A. ``The Groups ${\it GO}_n(q)$, ${\it SO}_n(q)$, ${\it PGO}_n(q)$, and ${\it PSO}_n(q)$, and ${\it O}_n(q)$.'' §2.4 in Atlas of Finite Groups: Maximal Subgroups and Ordinary Characters for Simple Groups. Oxford, England: Clarendon Press, pp. xi-xii, 1985.