Composition factors of 2-parts spin representations of symmetric groups

authored by

Lucia Morotti

Abstract

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.

Organisation(s)

Institute of Algebra, Number Theory and Discrete Mathematics

Type

Article

Journal

Algebraic Combinatorics

Volume

3

Pages

1283-1291

No. of pages

9

Publication date

04.12.2020

Publication status

Published

Peer reviewed

Yes

ASJC Scopus subject areas

Discrete Mathematics and Combinatorics

Electronic version(s)

https://arxiv.org/abs/1912.09427 (Access: Open)
https://doi.org/10.5802/alco.137 (Access: Closed)