3 papers
math.GR2025
Connectivity of -subgroup posets with irreducible characters
Hangyang Meng, Yuting Yang
Let be a finite group. For a prime and an integer , we denote by the set of all pairs , where is a -subgroup of 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…