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Orders of inner-diagonal automorphisms of some simple groups of Lie type

  • Alexander A. Buturlakin and Maria A. Grechkoseeva EMAIL logo
Published/Copyright: July 27, 2022

Abstract

We refer to the set of element orders of a finite group 𝐺 as the spectrum of 𝐺. For the simple groups PSL n ( q ) , PSU n ( q ) , E 6 ( q ) , and E 6 2 ( q ) , we describe the spectra of extensions of these groups by diagonal automorphisms.

Award Identifier / Grant number: FWNF-2022-000

Funding statement: This work was supported by RAS Fundamental Research Program, project FWNF-2022-000.

Acknowledgements

  1. Communicated by: Christopher W. Parker

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Received: 2021-11-21
Revised: 2022-05-06
Published Online: 2022-07-27
Published in Print: 2023-01-01

© 2022 Walter de Gruyter GmbH, Berlin/Boston

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