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<p>Let <i>G</i> be a finite group and <i>χ</i> be a character of <i>G</i>. We define the codegree of <i>χ</i> to be codeg(<i>χ</i>) = ∣<i>G</i>: ker<i>x</i>∣/<i>χ</i>(1). We study a few questions raised by Qian about character codegrees.</p>

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On a few questions about character codegrees

  • 期刊论文

  • 发表日期：

    2025年12月4日

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  • Jinbao Li,
  • Yong Yang

摘要

Let G be a finite group and χ be a character of G. We define the codegree of χ to be codeg(χ) = ∣G: kerx∣/χ(1). We study a few questions raised by Qian about character codegrees.