H. Meng

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math.GR2025

Connectivity of $p$ -subgroup posets with irreducible characters

Hangyang Meng, Yuting Yang

Let $G$ be a finite group. For a prime $p$ and an integer $e \geq 0$ , we denote by $Γ_{p, e} (G)$ the set of all pairs $(H, φ)$ , where $H$ is a $p$ -subgroup of $G$ of order greater t…

math.GR2025

On a class of involutive Yang-Baxter groups

H. Meng, A. Ballester-Bolinches, P. Jiménez-Seral

A group is called an involutive Yang-Baxter group (IYB-group) if it is isomorphic to the permutation group of an involutive, non-degenerate set-theoretic solution of the Yang-Baxte…

math.GR2018

Weak second maximal subgroups in solvable groups

Hangyang Meng, Xiuyun Guo

In this paper, we investigate the difference between weak second maximal subgroups and second maximal subgroups. A sufficient and necessary condition is also given to describe such…

Connectivity of p-subgroup posets with irreducible characters

On a class of involutive Yang-Baxter groups

Weak second maximal subgroups in solvable groups

Connectivity of $p$ -subgroup posets with irreducible characters