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arXiv 1809.07699math.GR
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极大类p-群的Character余度

Character codegrees of maximal class p-groups

Sarah Croome, Mark L. Lewis

摘要:

设$G$是$p$ -群,$χ$是$G$的不可约特征标. $χ$的余度由$|G:\text{ker}(χ)|/χ(1)$给出。如果$G$是一个最大类$p$ -群,它通常是单性的或最多有三个特征标度,那么$G$的余度是$p$的连续幂。如果$|G|=p^n$和$G$具有连续的$p$ -幂余度直到$p^{n-1}$,则$G$的零阶类至多为2或$G$具有最大类。

英文摘要:

Let $G$ be a $p$-group and let $χ$ be an irreducible character of $G$. The codegree of $χ$ is given by $|G:\text{ker}(χ)|/χ(1)$. If $G$ is a maximal class $p$-group that is normally monomial or has at most three character degrees then the codegrees of $G$ are consecutive powers of $p$. If $|G|=p^n$ and $G$ has consecutive $p$-power codegrees up to $p^{n-1}$ then the nilpotence class of $G$ is at most 2 or $G$ has maximal class.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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