Finite groups with normally embedded subgroups

Finite groups with normally embedded subgroups
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具有正常嵌入子群的有限群

DOI:
10.1515/jgt.2010.042
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发表时间:
2009-07
影响因子:
0.5
通讯作者:
李世荣
李世荣
中科院分区:
数学3区
文献类型:
--
作者:
施武杰;申振才;李世荣

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有限群G的一个子群H称为拟正规的。S-拟正规)嵌入到G中如果对H的每个Sylow子群P,都有一个拟正规(相应于.S-拟正规)子群K,使得P也是具有某些拟正规的K群的Sylow子群。S-拟正规)嵌入的素数幂阶子群。例如,如果群G有一个正规子群H,使得G/H∈ℱ,且对于H的每个ℳ子群P,某个∈ℱd(P)中的每个成员都拟正规地嵌入到G中,则Gℳ:这里Frattini d(P)是P的与Frattini子群相交的极大子群的集合。
Abstract A subgroup H of the finite group G is said to be quasinormally (resp. S-quasinormally) embedded in G if for every Sylow subgroup P of H, there is a quasinormal (resp. S-quasinormal) subgroup K in G such that P is also a Sylow subgroup of K. Groups with certain quasinormally (resp. S-quasinormally) embedded subgroups of prime-power order are studied. For example, if a group G has a normal subgroup H such that G/H ∈ ℱ and such that for each Sylow subgroup P of H, every member in some ℳ d (P) is quasinormally embedded in G, then G ∈ ℱ: here ℳ d (P) is a set of maximal subgroups of P with intersection the Frattini subgroup.
DOI: 10.1007/bf01917519
发表时间: 1981-03
期刊: Acta Mathematica Academiae Scientiarum Hungarica
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