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The Structure of a Finite Group Which is the Product of Two Subgroups with Some Subnormal Subgroups
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作者 Xinjian Zhang Yong Xu 《Communications in Mathematics and Statistics》 SCIE 2017年第4期399-405,共7页
Let G be a group and G=G_(1)G_(2) where G_(i) are subgroups of G.In this paper,we investigate the structure of G under the conditions that some subgroups of G_(i) are subnormal in G.
关键词 subnormal subgroup Nilpotent group Solvable group
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Some Generalized Normal Subgroups and p-nilpotency of Finite Groups 被引量:1
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作者 ZHONG Guo LIN Shi-Xun +1 位作者 CHEN Qi-le QIN Li-hua 《Chinese Quarterly Journal of Mathematics》 2018年第1期17-24,共8页
In this paper, the influence of s-semipermutable, c~#-normal, subnormally embedded and ss-quasinormal subgroups on the p-nilpotency of finite groups is investigated and some recent results are generalized.
关键词 s-semipermutable subgroups c#-normal subgroups subnormally embedded subgroups ss-quasinormal subgroups p-nilpotency
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On Finite Groups that are the Product of Two Subnormal Supersoluble Subgroups
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作者 John COSSEY Yang Ming LI 《Acta Mathematica Sinica,English Series》 SCIE CSCD 2023年第1期30-36,共7页
Denote the class of finite groups that are the product of two normal supersoluble subgroups and the class of groups that are the product of two subnormal supersoluble subgroups by B_(1)and B_(2),respectively.In this p... Denote the class of finite groups that are the product of two normal supersoluble subgroups and the class of groups that are the product of two subnormal supersoluble subgroups by B_(1)and B_(2),respectively.In this paper,a characterisation of groups in B_(1)or in B_(2)is given.By applying this new characterisation,some new properties of B_(1)(B_(2))and new proofs of many known results about B_(1)or B_(2)are obtained.Further,closure properties of B_(1)and B_(2)are discussed. 展开更多
关键词 Finite group supersoluble group normal subgroup subnormal subgroup product of subgroups
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A Criterion for Subnormality of Subgroups in Finite Groups
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作者 Hua Quan WEI Hong Fei PAN +1 位作者 Shu Qin DONG Xu SUN 《Acta Mathematica Sinica,English Series》 SCIE CSCD 2012年第8期1575-1580,共6页
Based on Wielandt's criterion for subnormality of subgroups in finite groups, we study 2-maximal subgroups of finite groups and present another subnormality criterion in finite solvable groups.
关键词 Finite group solvable group maximal subgroup subnormal subgroup semidirect
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A Generalization of Cuccia's Theorem
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作者 XU Ying-wu LI Shi-rong 《Chinese Quarterly Journal of Mathematics》 CSCD 北大核心 2006年第4期497-502,共6页
For a finite group G, let S(G) be the set of minimal subgroups of odd order,which are complemented in G. It is proved that if every minimal subgroup X of odd orderof G which does not belong to S(G), CG(X) is eit... For a finite group G, let S(G) be the set of minimal subgroups of odd order,which are complemented in G. It is proved that if every minimal subgroup X of odd orderof G which does not belong to S(G), CG(X) is either subnormal or abnormal in G. Then Gsolvable. 展开更多
关键词 the centralizer of a minimal subgroup subnormal subgroups abnormal sub-group solvablc group
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The influence of X-semipermutability of subgroups on the structure of finite groups 被引量:1
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作者 CHEN GuiYun LI JinBao 《Science China Mathematics》 SCIE 2009年第2期261-271,共11页
Let A be a subgroup of a group G and X be a nonempty subset of G. A is said to be X-semipermutable in G if A has a supplement T in G such that A is X-permutable with every subgroup of T. In this paper, we investigate ... Let A be a subgroup of a group G and X be a nonempty subset of G. A is said to be X-semipermutable in G if A has a supplement T in G such that A is X-permutable with every subgroup of T. In this paper, we investigate further the influence of X-semipermutability of some subgroups on the structure of finite groups. Some new criteria for a group G to be supersoluble or p-nilpotent are obtained. 展开更多
关键词 finite groups X-semipermutable subgroups supersoluble groups p-nilpotent groups subnormal subgroups Sylow subgroups cyclic subgroups 20D10 20D15 20D20 20D25 20D35
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On minimal non-J N J-groups 被引量:1
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作者 Zhangjia HAN Guiyun CHEN Huaguo SHI 《Frontiers of Mathematics in China》 SCIE CSCD 2013年第6期1295-1306,共12页
A finite group G is called an J N J-group if every proper subgroup H of G is either subnormal in G or self-normalizing. We determinate the structure of non-J N J-groups in which all proper subgroups are J N J- groups.
关键词 subnormal subgroup self-normalizing subgroup J N J-group minimal non-J N J-group
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Finite Groups of Spencer Height ≤ 3
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作者 Wenbin Guo Dina P. Andreeva Alexander N. Skiba 《Algebra Colloquium》 SCIE CSCD 2015年第3期437-444,共8页
In this paper, we describe the finite groups G in which every maximal chain M3 〈 M2 〈 M1 〈 M0 = G contains a proper subnormal subgroup of G.
关键词 finite group subnormal subgroup maximal chain Spencer height Schmidt group
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