Composition factors of 2-parts spin representations of symmetric groups
Representation Theory
2019-12-20 v1
Abstract
Given an odd prime , we identify composition factors of the reduction modulo of spin irreducible representations of the covering groups of symmetric groups indexed by partitions with 2 parts and find some decomposition numbers.
Keywords
Cite
@article{arxiv.1912.09427,
title = {Composition factors of 2-parts spin representations of symmetric groups},
author = {Lucia Morotti},
journal= {arXiv preprint arXiv:1912.09427},
year = {2019}
}