The 2- and 3-modular characters of the sporadic simple Fischer group Fi 22 and its cover

In this note we determine all irreducible Brauer characters of Fi 22 , its cover 6 . Fi 22 , its automorphism group Fi 22 . 2 and the bicyclic extension 6 . Fi 22 . 2 in characteristic 2 and 3.

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Bibliographic Details
Published in:Journal of algebra 2007-03, Vol.309 (2), p.723-743
Main Author: Noeske, Felix
Format: Article
Language:English
Subjects:
Brauer character table
Condensation
formula omitted
MeatAxe
Modular characters
Sporadic groups
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Description
Summary:In this note we determine all irreducible Brauer characters of Fi 22 , its cover 6 . Fi 22 , its automorphism group Fi 22 . 2 and the bicyclic extension 6 . Fi 22 . 2 in characteristic 2 and 3.
ISSN:0021-8693
1090-266X
DOI:10.1016/j.jalgebra.2006.06.020