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The power graph of a finite group $G$ is a simple undirected graph with vertex set $G$ and two vertices are adjacent if one is a power of the other. The enhanced power graph of a finite group $G$ is a simple undirected graph whose vertex…

Group Theory · Mathematics 2023-01-03 Parveen , Jitender Kumar , Ramesh Prasad Panda

The power graph of a finite group $G$ is a simple undirected graph with vertex set $G$ and two vertices are adjacent if one is a power of the other. The enhanced power graph of a finite group $G$ is a simple undirected graph whose vertex…

Group Theory · Mathematics 2023-01-31 Jitender Kumar Parveen

The Difference graph $\mathcal{D}(G)$ of a finite group $G$ is the difference of the enhanced power graph $\mathcal{P}_{E}(G)$ and the power graph $\mathcal{P}(G)$ with all the isolated vertices removed. In this paper, we characterize the…

Group Theory · Mathematics 2026-02-17 Manisha , Parveen , Jitender Kumar

The \emph{difference subgroup graph} $D(G)$ of a finite group $G$ is defined as the graph whose vertices are the non-trivial proper subgroups of $G$, with two distinct vertices $H$ and $K$ adjacent if and only if $\langle H, K \rangle = G$…

Group Theory · Mathematics 2025-11-07 Angsuman Das , Arnab Mandal , Labani Sarkar

The enhanced power graph of a finite group $G$, denoted by $\mathcal{P}_E(G)$, is the simple undirected graph whose vertex set is $G$ and two distinct vertices $x, y$ are adjacent if $x, y \in \langle z \rangle$ for some $z \in G$. In this…

Group Theory · Mathematics 2022-07-13 Parveen , Jitender Kumar , Siddharth Singh , Xuanlong Ma

The power graph and the enhanced power graph of a group $\mathbf G$ are simple graphs with vertex set $G$; two elements of $G$ are adjacent in the power graph if one of them is a power of the other, and they are adjacent in the enhanced…

Combinatorics · Mathematics 2024-04-30 Ivica Bošnjak , Rozália Madarász , Samir Zahirović

The enhanced power graph of a group $G$ is a graph with vertex set $G,$ where two distinct vertices $x$ and $y$ are adjacent if and only if there exists an element $w$ in $G$ such that both $x$ and $y$ are powers of $w.$ In this paper, we…

Combinatorics · Mathematics 2024-05-03 Sudip Bera , Hiranya Kishore Dey

The enhanced power graph $\mathcal{P}_e(G)$ of a group $G$ is a graph with vertex set $G$ and two vertices are adjacent if they belong to the same cyclic subgroup. In this paper, we consider the minimum degree, independence number and…

Group Theory · Mathematics 2020-01-27 Ramesh Prasad Panda , Sandeep dalal , Jitender Kumar

The two graphs of the title both have vertex set G. In the intersection power graph, x and y are joined if some non-identity element is a power of both; in the power graph, x and y joined if one is a power of the other. Thus the power graph…

Combinatorics · Mathematics 2025-09-05 Sudip Bera , Peter J. Cameron

The power graph $\mathcal{P}(G)$ of a group $G$ is the graph whose vertex set is $G$, having an edge between two distinct vertices if one is the power of the other. The directed power graph $\vec{\mathcal{P}}(G)$ of a group $G$ is the…

Group Theory · Mathematics 2022-08-30 Nicolas Pinzauti , Daniela Bubboloni

The enhanced power graph $\mathcal{P}_E(G)$ of a finite group $G$ is the simple undirected graph whose vertex set is $G$ and two distinct vertices $x, y$ are adjacent if $x, y \in \langle z \rangle$ for some $z \in G$. In this article, we…

Group Theory · Mathematics 2022-07-12 Parveen , Jitender Kumar

The enhanced power graph of a group G is a graph with vertex set G, where two distinct vertices x and y are adjacent if and only if there exists an element w in G such that both x and y are powers of w. To obtain the proper enhanced power…

Combinatorics · Mathematics 2024-07-10 Sudip Bera

The enhanced power graph $\mathcal G_e(\mathbf G)$ of a group $\mathbf G$ is the graph with vertex set $G$ such that two vertices $x$ and $y$ are adjacent if they are contained in a same cyclic subgroup. We prove that finite groups with…

Combinatorics · Mathematics 2018-10-18 Samir Zahirović , Ivica Bošnjak , Rozália Madarász

Let $G$ be a group. The \emph{power graph} of $G$ is a graph with the vertex set $G$, having an edge between two elements whenever one is a power of the other. We characterize nilpotent groups whose power graphs have finite independence…

Combinatorics · Mathematics 2019-05-31 Ghodratollah Aalipour , Saieed Akbari , Peter J. Cameron , Reza Nikandish , Farzad Shaveisi

This paper deals with the vertex connectivity of enhanced power graph of finite group. We classify all abelian groups G such that vertex connectivity of enhanced power graph of G is 1. We derive an upper bound of vertex connectivity for the…

Combinatorics · Mathematics 2020-07-08 Sudip Bera , Hiranya Kishore Dey , Sajal Kumar Mukherjee

The directed power graph $\vec{\mathcal P}(\mathbf G)$ of a group $\mathbf G$ is the simple digraph with vertex set $G$ such that $x\rightarrow y$ if $y$ is a power of $x$. The power graph of $\mathbf G$, denoted by $\mathcal P(\mathbf G)$,…

Combinatorics · Mathematics 2023-01-10 Ivica Bošnjak , Rozália Madarász , Samir Zahirović

The purpose of this note is to define a graph whose vertex set is a finite group $G$, whose edge set is contained in that of the commuting graph of $G$ and contains the enhanced power graph of $G$. We call this graph the deep commuting…

Combinatorics · Mathematics 2020-12-08 Peter J. Cameron , Bojan Kuzma

The power graph $P(G)$ of a finite group $G$ is the undirected simple graph with vertex set $G$, where two elements are adjacent if one is a power of the other. In this paper, the matching numbers of power graphs of finite groups are…

Combinatorics · Mathematics 2021-08-17 Peter J. Cameron , V V Swathi , M S Sunitha

Given a group $G$, the enhanced power graph of $G$ denoted by $\mathcal{G}_e(G)$, is the graph with vertex set $G$ and two distinct vertices $x, y$ are edge connected in $\mathcal{G}_e(G)$ if there exists $z\in G $ such that $x=z^m$ and $…

Combinatorics · Mathematics 2016-06-24 Sudip Bera , A. K. Bhuniya

The power graph of a group $G$ is a graph with vertex set $G$, where two distinct vertices $a$ and $b$ are adjacent if one of $a$ and $b$ is a power of the other. Similarly, the enhanced power graph of $G$ is a graph with vertex set $G$,…

Group Theory · Mathematics 2025-10-30 Amar S. Pote , Ganesh S. Kadu
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