Basic Sets for the Double Covering Groups of the Symmetric and Alternating Groups in Odd Characteristic

Olivier Brunat (Corresponding Author), Jean-Baptiste Gramain

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Abstract

In this paper, following the methods of Brunat and Gramain (J. Reine Angew. Math. 641, 5 177–202, 2010), we show that the double covering groups of the symmetric and alternating 6 groups have p-basic sets for any odd prime p.
Original languageEnglish
Pages (from-to)193-207
Number of pages15
JournalAlgebras and Representation Theory
Volume23
Issue number1
Early online date19 Dec 2018
DOIs
Publication statusPublished - Feb 2020

Bibliographical note

Acknowledgements. Part of this work was done at the CIRM in Luminy during a research in pairs stay. The authors wish to thank the CIRM gratefully for their financial and logistical support. The first author is supported by Agence Nationale de la Recherche Projet ACORT ANR-12-JS01-0003. The second author also acknowledges financial support from the Engineering and Physical Sciences
Research Council grant Combinatorial Representation Theory EP/M019292/1. The authors wish to thank the referee for several helpful suggestions.

Keywords

  • Basic set
  • perfect isometries
  • double covering groups of the symmetric and alternating groups
  • modular representation theory
  • Double covering groups of the symmetric and alternating groups
  • Perfect isometries
  • Modular representation theory
  • REPRESENTATIONS
  • BLOCKS
  • BRAUER CHARACTERS
  • FINITE-GROUPS

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