AI 中文总结
本文计算了有限阿贝尔群和有限域上扭斜群代数的Wedderburn分解,通过证明其为有限群代数的同态像,刻画了Shoda对并给出计算算法。
AI 中文摘要
我们计算了有限阿贝尔群$G$和有限域$K$上的有限扭斜群代数的Wedderburn分解。为此,我们证明了该扭斜群代数是有限群代数的同态像。然后我们刻画了其Shoda对,并提出了一种计算其完备集的算法。
英文摘要
We compute the Wedderburn decomposition of a finite twisted skew group algebra over a finite abelian group $G$ and a finite field $K$. To do so, we prove that this twisted skew group algebra is a homomorphic image of a finite group algebra. We then characterise its Shoda pairs, as well as propose an algorithm for computing a complete set of them.