Endotrivial Modules for Finite Groups of Lie Type A in Nondefining Characteristic

Jon F. Carlson, Nadia Mazza, Daniel K. Nakano

Let $G$ be a finite group such that $\text{SL}(n,q)\subseteq G\subseteq \text{GL}(n,q)$ and $Z$ be a central subgroup of $G$. In this paper we determine the group $T(G/Z)$ consist…