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Structure of Groups with Generalized Normal Subgroups

机译:具有广义正规子群的群的结构

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The present paper deals with a subgroup X of a group G is almost normal if the index |G: NG(X)| is finite, while X is nearly normal if it has finite index in the normal closure XG. This paper investigates the structure of groups in which every (infinite) subgroup is either almost normal or nearly normal.
机译:如果索引| G:NG(X)|,则本文处理的组G的子组X几乎是正常的。是有限的,而如果X在法线闭合XG中具有有限的索引,则X几乎是法线。本文研究了每个(无限)子组接近正常或接近正常的组的结构。

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