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| THE ACTION OF THE LINEAR CHARACTER GROUP ON THE SET OF NON-LINEAR IRREDUCIBLE CHARACTERS |
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Citation： |
REN Yongcai,LI Xiangyang.THE ACTION OF THE LINEAR CHARACTER GROUP ON THE SET OF NON-LINEAR IRREDUCIBLE CHARACTERS[J].Chinese Annals of Mathematics B,2000,21(4):511~524 |
| Page view： 1341
Net amount： 920 |
Authors： |
REN Yongcai; LI Xiangyang |
Foundation： |
Project supported by the National Natural Science Foundation of China (No.19771013). |
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| Abstract： |
Let G be a nonabelian finite group. Then Irr(G=G′) is an abelian group under the multiplication of characters and acts on the set of non-linear irreducible characters of G via the multiplication of characters. The purpose of this paper is to establish some facts about the action of linear character group on non-linear irreducible characters and determine the structures of groups G for which either all the orbit kernels are trivial or the number of orbits is at most two. Using the established results on this action, it is very easy to classify groups G having at most three non-linear irreducible characters. |
Keywords： |
Finite group, Character, Action, Orbit |
Classification： |
20C15 |
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