Unitary units in modular group algebras of 2-groups
作者:
A. Bovdi,
L. Erdei,
期刊:
Communications in Algebra
(Taylor Available online 2000)
卷期:
Volume 28,
issue 2
页码: 625-630
ISSN:0092-7872
年代: 2000
DOI:10.1080/00927870008826848
出版商: Gordon and Breach Science Publishers Ltd.
数据来源: Taylor
摘要:
We study the unitary subgroupV*(F2G) in the group algebras F2Gof 2-groups of maximal class over the field F2of two elements. We show that there does not exist a normal complement toGinV*(F2G) if and only ifGis the dihedral group of order 2n(n≥ 5) or the semidihedral group of order 2n(n≥5). We also describeV*(F2G) when the subgroupGhas order 8 and 16 and in this case there exist a normal complement ofGinV*(F2G).
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