Nonsolvable Groups with no Prime Dividing Four Character Degrees

被引:5
|
作者
Ghaffarzadeh, Mehdi [1 ]
Ghasemi, Mohsen [2 ]
Lewis, Mark L. [3 ]
Tong-Viet, Hung P. [3 ]
机构
[1] Islamic Azad Univ, Khoy Branch, Dept Math, Khoy, Iran
[2] Urmia Univ, Dept Math, Orumiyeh 57135, Iran
[3] Kent State Univ, Dept Math Sci, Kent, OH 44242 USA
关键词
Character degrees; Prime divisors; SOLVABLE-GROUPS; GRAPHS;
D O I
10.1007/s10468-016-9654-z
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Given a finite group G, we say that G has property if every set of k distinct irreducible character degrees of G is setwise relatively prime. In this paper, we show that if G is a finite nonsolvable group satisfying then G has at most 8 distinct character degrees. Combining with work of D. Benjamin on finite solvable groups, we deduce that a finite group G has at most 9 distinct character degrees if G has property and this bound is sharp.
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页码:547 / 567
页数:21
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