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Nonsolvable D 2-groups |
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| Authors: | Yang Liu Zi Qun Lu |
| Affiliation: | 1. Beijing International Center for Mathematical Research, Peking University, Beijing 100871, P. R. China;2. Department of Mathematics, Tsinghua University, Beijing 100084, P. R. China |
| Abstract: | Let G be a finite group. Let Irr1(G) be the set of nonlinear irreducible characters of G and cd1(G) the set of degrees of the characters in Irr1(G). A group G is said to be a D2-group if |cd1(G)| = |Irr1(G)| - 2. The main purpose of this paper is to classify nonsolvable D2-groups. |
| Keywords: | Character degree degree multiplicity nonsolvable group |
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