Perspectivities of odd order and chevalley groups

Research paper by Ulrich Dempwolff

Indexed on: 01 Nov '92Published on: 01 Nov '92Published in: Journal of Geometry


LetP be a projective plane and X a finite group of Lie-type in Aut(P). Suppose α ε Aut(P) is a perspectivity of odd prime order inducing a nontrivial automorphism on X. We show that in most cases X must contain involutory perspectivities.