Representations of $GL_2(\Fq)$ and $SL_2(\Fq)$, and some remarks about $GL_n(\Fq)$
arXiv:0712.4051
Abstract
The goal of these notes is to give a self-contained account of the representation theory of and over a finite field, and to give some indication of how the theory works for over a finite field.
56 pages, Notes from a course taught at the Advanced Instructional School on Representation Theory and Related Topics held at the Bhaskaracharya Pratishthana and the University of Pune in July 2007