Decomposition numbers of 2-parts spin representations of symmetric groups in characteristic 2

authored by

Lucia Morotti

Abstract

We give explicit formulas to compute most of the decomposition numbers of reductions modulo 2 of irreducible spin representations of symmetric groups indexed by partitions with at most 2 parts. In many of the still open cases small upper bounds are found.

Organisation(s)

Institute of Algebra, Number Theory and Discrete Mathematics

Type

Preprint

Publication date

01.03.2023

Publication status

E-pub ahead of print