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Transactions of the American Mathematical Society

ISSN 1088-6850(online) ISSN 0002-9947(print)

 

 

Construction of units in integral group rings of finite nilpotent groups


Authors: Jürgen Ritter and Sudarshan K. Sehgal
Journal: Trans. Amer. Math. Soc. 324 (1991), 603-621
MSC: Primary 20C05; Secondary 16S34, 16U60
DOI: https://doi.org/10.1090/S0002-9947-1991-0987166-9
MathSciNet review: 987166
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Abstract: Let $ U$ be the group of units of the integral group ring of a finite group $ G$. We give a set of generators of a subgroup $ B$ of $ U$. This subgroup is of finite index in $ U$ if $ G$ is an odd nilpotent group. We also give an example of a $ 2$-group such that $ B$ is of infinite index in $ U$.


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DOI: https://doi.org/10.1090/S0002-9947-1991-0987166-9
Article copyright: © Copyright 1991 American Mathematical Society