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Injective restriction of characters |
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| Authors: | I. M. Isaacs Gabriel Navarro |
| Affiliation: | 1.Department of Mathematics,University of Wisconsin,Madison,USA;2.Departament de Matemàtiques,Universitat de València,Burjassot,Spain |
| Abstract: | Suppose that G is a finite group and let H be a proper subgroup of G. Then the restriction map from the characters of G to the characters of H is never injective. |
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