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Seyed Hassan Alavi

Seyed Hassan Alavi

Academic rank: Professor
ORCID: https://orcid.org/0000-0002-6442-2507
Education: PhD.
ScopusId: 7005887407
HIndex: 0/00
Faculty: Faculty of Science
Address: Department of Mathematics, Faculty of Science, Bu-Ali Sina University, Hamedan, Iran
Phone:

Research

Title
On groups with the same character degrees as almost simple groups with socle small Ree groups
Type
JournalPaper
Keywords
Almost simple groups; character degrees; Huppert’s conjecture
Year
2023
Journal COMMUNICATIONS IN ALGEBRA
DOI
Researchers Seyed Hassan Alavi

Abstract

Let G be a finite group and cd(G) denote the set of complex irreducible character degrees of G. In this paper, we prove that if G is a finite group and H is an almost simple group with socle H0 = 2G2(q), where q = 3f with f ⩾ 3 odd such that cd(G) = cd(H), then G is non-solvable and the chief factor G′/M of G is isomorphic to H0. If, in particular, f is coprime to 3, then G′ is isomorphic to H0 and G/Z(G) is isomorphic to H.