Solomon's induction in quasi-elementary groups

被引:3
|
作者
Dokchitser, Tim [1 ]
机构
[1] Univ Cambridge Robinson Coll, Cambridge CB3 9AN, England
关键词
D O I
10.1515/JGT.2010.040
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Given a finite group G, we address the following question: which multiples of the trivial representation are linear combinations of inductions of trivial representations from proper subgroups of G? By Solomon's induction theorem, all multiples have this property if G is not quasi-elementary. We complement this by showing that all multiples of p are if G is p-quasi-elementary and not cyclic, and that this is best possible.
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页码:49 / 51
页数:3
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