Character degrees;
Simple groups;
Twisted Ree groups;
DEGREE GRAPHS;
D O I:
10.1007/s10468-009-9206-x
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
Let G be a finite group and cd(G) be the set of irreducible character degrees of G. Bertram Huppert conjectured that if H is a finite nonabelian simple group such that cd(G) = cd(H), then G a parts per thousand...aEuro parts per thousand HxA, where A is an abelian group. In this paper, we verify the conjecture for the twisted Ree groups (2) G (2)(q (2)) for q (2) = 3(2m + 1), m a parts per thousand yenaEuro parts per thousand 1. The argument involves verifying five steps outlined by Huppert in his arguments establishing his conjecture for many of the nonabelian simple groups.
机构:
Univ Firenze, Dipartimento Matemat & Informat U Dini, Viale Morgagni 67-a, I-50134 Florence, ItalyAmirkabir Univ Technol, Fac Math & Comp Sci, Tehran Polytech, Tehran 15914, Iran
Dolfi, Silvio
Pacifici, Emanuele
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机构:
Univ Firenze, Dipartimento Matemat & Informat U Dini, Viale Morgagni 67-a, I-50134 Florence, ItalyAmirkabir Univ Technol, Fac Math & Comp Sci, Tehran Polytech, Tehran 15914, Iran