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JOURNALS // Sibirskie Èlektronnye Matematicheskie Izvestiya [Siberian Electronic Mathematical Reports] // Archive

Sib. Èlektron. Mat. Izv., 2018 Volume 15, Pages 1378–1382 (Mi semr1003)

This article is cited in 3 papers

Mathematical logic, algebra and number theory

Finite almost simple groups whose Gruenberg–Kegel graphs as abstract graphs are isomorphic to subgraphs of the Gruenberg–Kegel graph of the alternating group $A_{10}$

A. S. Kondrat'ev, N. A. Minigulov

N.N. Krasovskii Institute of Mathematics and Mechanics, S. Kovalevskaya St., 16, 620990, Yekaterinburg, Russia

Abstract: We consider the problem of describing finite groups whose the Gruenberg-Kegel graphs as abstract graphs are isomorphic to the Gruenberg–Kegel graph of the alternating group $A_{10}$. In the given paper, we prove that if such group is non-solvable then its quotient group by solvable radical is almost simple and classify all finite almost simple groups whose the Gruenberg-Kegel graphs as abstract graphs are isomorphic to subgraphs of the Gruenberg–Kegel graph of $A_{10}$.

Keywords: finite group, almost simple group, 4-primary group, Gruenberg–Kegel graph.

UDC: 512.54

MSC: 20D60, 05C25

Received September 30, 2018, published November 7, 2018

Language: English

DOI: 10.17377/semi.2018.15.113



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