ALGEBRAIC COMBINATORICS

no. 6
Composition factors of 2-parts spin representations of symmetric groups
Morotti, Lucia1
1 Institut für Algebra, Zahlentheorie und Diskrete Mathematik Leibniz Universität Hannover 30167 Hannover Germany
Algebraic Combinatorics, Volume 3 (2020) no. 6, pp. 1283-1291.

Given an odd prime p, we identify possible composition factors of the reduction modulo p of spin irreducible representations of the covering groups of symmetric groups indexed by partitions with 2 parts and find some decomposition numbers.

Received:
Revised:
Accepted:
Published online:
DOI: 10.5802/alco.137
Classification: 20C30, 20C25, 20C20
Keywords: Symmetric groups, spin representations, decomposition numbers.
Morotti, Lucia 1

1 Institut für Algebra, Zahlentheorie und Diskrete Mathematik Leibniz Universität Hannover 30167 Hannover Germany
License: CC-BY 4.0
Copyrights: The authors retain unrestricted copyrights and publishing rights 
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Morotti, Lucia. Composition factors of 2-parts spin representations of symmetric groups. Algebraic Combinatorics, Volume 3 (2020) no. 6, pp. 1283-1291. doi : 10.5802/alco.137. https://alco.centre-mersenne.org/articles/10.5802/alco.137/

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