Dandan Zhang

collaborators

2 papers

math.GR2022

A classification of finite $p$ -groups with a unique $A_{2}$ -subgroup

Jixia Gao, Dandan Zhang, Haipeng Qu

Finite $p$ -groups with a unique $A_{2}$ -subgroup are classified up to isomorphism. A problem proposed by Berkovich and Janko is solved.

math.GR2020

Finite DC-groups

Dandan Zhang, Haipeng Qu, Yanfeng Luo

Let G be a group and DS(G) = { H'| H is any subgroup of G}. G is said to be a DC-group if DS(G) is a chain. In this paper, we prove that a finite DC-group is a semidirect product o…

A classification of finite p-groups with a unique A2​-subgroup

Finite DC-groups

A classification of finite $p$ -groups with a unique $A_{2}$ -subgroup