Specht module

Specht modules are some very nice $\mathbb{Z}[S_n]$ modules which are irreducible after base change to $\mathbb{Q}$. Over a field of characteristic $p$, where $p \mid n!$, the base changes are not irreducible, but every irreducible module appears as the cosocle? of a Specht module.

Last revised on October 28, 2009 at 18:33:15. See the history of this page for a list of all contributions to it.