Some Evidence for the Existence of a New Simple Group

Some Evidence for the Existence of a New Simple Group
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新单群存在的一些证据

DOI:
10.1112/plms/s3-32.3.421
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发表时间:
1976
影响因子:
1.8
通讯作者:
M. O'Nan
M. O'Nan
中科院分区:
数学1区
文献类型:
--
作者:
M. O'Nan

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在他对2-秩3的群的研究中,Alperin证明了:如果G有一个8阶初等交换子群E,且C0(E)为2-秩3,且NO(E)/CO(E)GB L3(2),则CO(E)的Sylow 2-子群是同圈阿贝尔群V,并且他明确地发现了NO(E)的Sylow 2-子群P的可能性。Alperin发现P=<(v19v2,v3,S,gb),V=(vvv2,v3y^z2nxz2?xz2?),vx8=v2,v28=v3,v38=vxvz~rv3i,vx L=v3-1,v2*=v^1,vj=t^-1。
In his study of groups of 2-rank 3, Alperin showed that if G is a group having an elementary abelian subgroup E of order 8 with C0 (E) of 2-rank 3 and NO (E)/CO (E)£ L3 (2), then the Sylow 2-subgroup of CO {E) is a homocyclic abelian group, V. Also, he explicitly found the possibilities for the Sylow 2-subgroup P of NO (E). Alperin found P=<(vl9 v2, v3, s,£}, with V=(vv v2, v3y^ Z2n x Z2» x Z2», and vx 8= v2, v2 8= v3, v3 8= vxvz~ rv3i and vx l= V3-1, v2*= v^ 1, vj= t^-1.