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On the number of conjugacy classes of zeros of characters and the length of solvable groups
Authors:Yong Yang
Institution:1. Key Laboratory of Group and Graph Theories and Applications, Chongqing University of Arts and Sciences, Chongqing, China;2. Department of Mathematics, Texas State University, San Marcos, TX, USAyang@txstate.edu
Abstract:Abstract

We apply an orbit theorem to a few questions about character degrees. We investigate the relation of the number of conjugacy classes where characters vanish and the length of the solvable groups. As another application, we give a bound for the size of defect groups of blocks of solvable groups.

Communicated by J. Zhang
Keywords:Character degrees  conjugacy classes
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