Suppose that there is a group $G$ and an odd prime $p$. Let $M$ be a $\mathbb{F}_p[G]$ module.
Is it true that $M$ cannot be irreducible but just indecomposible?
Thank you
Suppose that there is a group $G$ and an odd prime $p$. Let $M$ be a $\mathbb{F}_p[G]$ module.
Is it true that $M$ cannot be irreducible but just indecomposible?
Thank you