No CrossRef data available.
Published online by Cambridge University Press: 20 November 2018
The purpose of this paper is to establish the following theorem :
Theorem 1. Let be a finite group with abelian Sylow 2-subgroups in which the centralizer of every involution is solvable. Then either
is solvable or else
/O
is isomorphic to a subgroup of PΓL(2, q) containing PSL(2, q), where either q = 3 or 5 (mod 8), q ≥ 5, or q = 2n, n ≥ 2.