On intersections of primary subgroups in the group Aut(Ln(2))


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Abstract

It is proved that, in a finite group G whose socle is isomorphic to Ln(2), there exist primary subgroups A and B such that the intersection of A and any subgroup conjugate to B under the action of G is nontrivial only if G is isomorphic to the group Aut(Ln(2)); in this case, A and B are 2-subgroups. All ordered pairs (A,B) of such subgroups are described.

About the authors

V. I. Zenkov

Krasovskii Institute of Mathematics and Mechanics; Ural Federal University

Author for correspondence.
Email: zenkov@imm.uran.ru
Russian Federation, ul. S. Kovalevskoi 16, Yekaterinburg, 620990; ul. Mira 32, Yekaterinburg, 620002

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