有限群的π-弱拟正规子群Ⅰ(英) |
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引用本文: | 王坤仁.有限群的π-弱拟正规子群Ⅰ(英)[J].四川师范大学学报(自然科学版),2002,25(5). |
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作者姓名: | 王坤仁 |
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作者单位: | 四川师范大学,数学与软件科学学院,四川,成都,610066 |
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摘 要: | 引进π-拟正规性的推广概念π-弱拟正规性.有限群G的子群K称为在G中π-弱拟正规,若K同G的每个Sylow π-子群可换.探讨了π-弱拟正规子群的一些性质,给出了一些实例和实事,比较详细地比较了有限群的π-拟正规子群和π-弱拟正规子群,说明π-弱拟正规子群概念是π-拟正规子群概念的真正推广,得到了极大子群皆π-弱拟正规的有限群类的分类定理.
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关 键 词: | π-弱拟正规 Sylow π-子群 π-闭 极大子群 π-weak quasinormal Sylow π-subgroup π-closed |
π-Weak Quasinormal Subgroups of Finite Groups Ⅰ |
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Abstract: | In this paper, as a generalization of quasinormality, the concept of π-weak quasinormality is introduced. Some properties of π-weak quasinormal subgroups are studied. A classification theorem of the class of finite groups with maximal subgroups which are π-weak quasinormal is obtained. |
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Keywords: | Maximal subgroup |
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