REAL

p-Regular conjugacy classes and p-rational irreducible characters

Hung, N.N. and Maróti, Attila (2022) p-Regular conjugacy classes and p-rational irreducible characters. JOURNAL OF ALGEBRA, Availa. ISSN 0021-8693

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Abstract

Let G be a finite group of order divisible by a prime p. The number of conjugacy classes of p-elements and p-regular elements of G is at least 2p−1. Also, the number of p-rational and p′-rational irreducible characters of G is at least 2p−1. Along the way we prove a uniform lower bound for the number of p-regular classes in a finite simple group of Lie type in terms of its rank and size of the underlying field. © 2021 The Author(s)

Item Type: Article
Uncontrolled Keywords: finite groups; CONJUGACY CLASSES; Brauer characters; p-regular classes; p-Rational characters;
Subjects: Q Science / természettudomány > QA Mathematics / matematika
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 03 Nov 2022 12:47
Last Modified: 03 Nov 2022 12:47
URI: http://real.mtak.hu/id/eprint/152871

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