具有给定性质的有限群的交换共轭类图

IF 0.8 4区 数学 Q2 MATHEMATICS Georgian Mathematical Journal Pub Date : 2023-10-04 DOI:10.1515/gmj-2023-2069
Mehdi Rezaei, Zeinab Foruzanfar
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The commuting conjugacy class graph <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\"> <m:mrow> <m:mi mathvariant=\"normal\">Γ</m:mi> <m:mo>⁢</m:mo> <m:mrow> <m:mo stretchy=\"false\">(</m:mo> <m:mi>G</m:mi> <m:mo stretchy=\"false\">)</m:mo> </m:mrow> </m:mrow> </m:math> {\\Gamma(G)} is defined as a graph whose vertices are non-central conjugacy classes of G and two distinct vertices X and Y in <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\"> <m:mrow> <m:mi mathvariant=\"normal\">Γ</m:mi> <m:mo>⁢</m:mo> <m:mrow> <m:mo stretchy=\"false\">(</m:mo> <m:mi>G</m:mi> <m:mo stretchy=\"false\">)</m:mo> </m:mrow> </m:mrow> </m:math> {\\Gamma(G)} are connected by an edge if there exist elements <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\"> <m:mrow> <m:mi>x</m:mi> <m:mo>∈</m:mo> <m:mi>X</m:mi> </m:mrow> </m:math> {x\\in X} and <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\"> <m:mrow> <m:mi>y</m:mi> <m:mo>∈</m:mo> <m:mi>Y</m:mi> </m:mrow> </m:math> {y\\in Y} such that <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\"> <m:mrow> <m:mrow> <m:mi>x</m:mi> <m:mo>⁢</m:mo> <m:mi>y</m:mi> </m:mrow> <m:mo>=</m:mo> <m:mrow> <m:mi>y</m:mi> <m:mo>⁢</m:mo> <m:mi>x</m:mi> </m:mrow> </m:mrow> </m:math> {xy=yx} . In this paper, the structure of the commuting conjugacy class graph of group G with the property that <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\"> <m:mfrac> <m:mi>G</m:mi> <m:mrow> <m:mi>Z</m:mi> <m:mo>⁢</m:mo> <m:mrow> <m:mo stretchy=\"false\">(</m:mo> <m:mi>G</m:mi> <m:mo stretchy=\"false\">)</m:mo> </m:mrow> </m:mrow> </m:mfrac> </m:math> {\\frac{G}{Z(G)}} is isomorphic to a Frobenius group of order pq or <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\"> <m:mrow> <m:msup> <m:mi>p</m:mi> <m:mn>2</m:mn> </m:msup> <m:mo>⁢</m:mo> <m:mi>q</m:mi> </m:mrow> </m:math> {p^{2}q} , is determined.","PeriodicalId":55101,"journal":{"name":"Georgian Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.8000,"publicationDate":"2023-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"The commuting conjugacy class graphs of finite groups with a given property\",\"authors\":\"Mehdi Rezaei, Zeinab Foruzanfar\",\"doi\":\"10.1515/gmj-2023-2069\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Abstract Let G be a finite non-abelian group. 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引用次数: 0

摘要

设G是一个有限非阿贝尔群。交换共轭类图Γ (G) {\Gamma (G)}定义为这样一个图,其顶点是G的非中心共轭类,并且Γ (G) {\Gamma (G)中的两个不同的顶点X和Y}被一条边连接,如果存在元素X∈X X{\in X}和Y∈Y Y{\in Y,}使得X∈Y = Y∈X{ xy=yx}。本文确定了群G的交换共轭类图的结构,该图具有G Z∑(G){\frac{G}{Z(G)}}同构于pq阶或p 2∑q {p^{2q}阶的Frobenius群的性质。}
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The commuting conjugacy class graphs of finite groups with a given property
Abstract Let G be a finite non-abelian group. The commuting conjugacy class graph Γ ( G ) {\Gamma(G)} is defined as a graph whose vertices are non-central conjugacy classes of G and two distinct vertices X and Y in Γ ( G ) {\Gamma(G)} are connected by an edge if there exist elements x X {x\in X} and y Y {y\in Y} such that x y = y x {xy=yx} . In this paper, the structure of the commuting conjugacy class graph of group G with the property that G Z ( G ) {\frac{G}{Z(G)}} is isomorphic to a Frobenius group of order pq or p 2 q {p^{2}q} , is determined.
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来源期刊
CiteScore
1.70
自引率
0.00%
发文量
76
审稿时长
>12 weeks
期刊介绍: The Georgian Mathematical Journal was founded by the Georgian National Academy of Sciences and A. Razmadze Mathematical Institute, and is jointly produced with De Gruyter. The concern of this international journal is the publication of research articles of best scientific standard in pure and applied mathematics. Special emphasis is put on the presentation of results obtained by Georgian mathematicians.
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