论文标题

组的Cayley同构属性$ C^5_2 \ Times C_P $

The Cayley isomorphism property for the group $C^5_2\times C_p$

论文作者

Ryabov, Grigory

论文摘要

如果$ g $超过$ g $的两个cayley digraphs是同构的,并且仅当它们的连接集由组自动形态结合时,则有限的$ g $被称为dci group。我们证明,当$ p $是prime的组$ C_2^5 \ times c_p $时,当且仅当$ p \ neq 2 $时。与先前获得的结果一起,这意味着$ g $ $ g $ 32p $,其中$ p $是prime,当时仅当$ p \ neq 2 $和$ g \ g \ cong c_2^5 \ times c_p $。

A finite group $G$ is called a DCI-group if two Cayley digraphs over $G$ are isomorphic if and only if their connection sets are conjugate by a group automorphism. We prove that the group $C_2^5\times C_p$, where $p$ is a prime, is a DCI-group if and only if $p\neq 2$. Together with the previously obtained results, this implies that a group $G$ of order $32p$, where $p$ is a prime, is a DCI-group if and only if $p\neq 2$ and $G\cong C_2^5\times C_p$.

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