(1) Ural Branch, Russian Academy of Sciences, Institute of Mathematics and Mechanics, S. Kovalevskaya, 16, Ekaterinburg, 620066, Russia;(2) Akademika Koptyuga Prospekt, 4, Institute of Mathematics SB RAS, Novosibirsk, 630090, Russia
Abstract:
Maximal 2-signalizers and centralizers of Sylow 2-subgroups in all finite simple groups are described. Also normalizers are computed for Sylow 2-subgroups in the finite simple groups of exceptional Lie type over a field of odd characteristic.