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arXiv 2202.10087math.GR
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允许互素自同构满足附加多项式恒等式的有限群

Finite groups admitting a coprime automorphism satisfying an additional polynomial identity

Wolfgang Alexander Moens

摘要:

已知具有互质阶自同构$φ$的有限群具有$(|φ|,|C_G(φ)|)$ -有界Fitting高和指数的可解根。我们将这个经典结果推广如下。设$f(x) = a_0 + a_1 \cdot x + \cdots + a_d \cdot x^d \in \mathbb{Z}[x]$是一个本原多项式,$G$是一个有限群,它的互素阶自同构$φ$满足$ g^{a_0} \cdot φ(g)^{a_1} \cdots φ^d(g)^{a_d} = 1 $,对所有$g \in G$ . $G$的可溶性自由基具有$(d,|C_G(φ)|)$ -边界拟合高度和指数。边界是明确的,特别是对小值的程度$d$。

英文摘要:

It is known that a finite group with an automorphism $φ$ of coprime order has a soluble radical of $(|φ|,|C_G(φ)|)$-bounded Fitting height and index. We extend this classic result as follows. Let $f(x) = a_0 + a_1 \cdot x + \cdots + a_d \cdot x^d \in \mathbb{Z}[x]$ be a primitive polynomial and let $G$ be a finite group with an automorphism $φ$ of coprime order satisfying $ g^{a_0} \cdot φ(g)^{a_1} \cdots φ^d(g)^{a_d} = 1 $, for all $g \in G$. Then the soluble radical of $G$ has $(d,|C_G(φ)|)$-boundex Fitting height and index. The bounds are made explicit and are particularly good for small values of the degree $d$.

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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