Explicit idempotents of finite group algebras

F. E. Brochero Martínez, C. R. Giraldo Vergara

Let ${\mathbb{F}}_q$ be a finite field with $q$ elements, $G$ a finite cyclic group of order $p^k$ and $p$ is an odd prime with $\gcd (q,p)=1$. In this article, we determine an ex…