<p>Let <i>G</i> be a finite group and <i>p</i> be a prime divisor of |<i>G</i>|. An irreducible <i>p</i>-Brauer character <InlineEquation ID="IEq3"> <EquationSource Format="TEX">\(\varphi \)</EquationSource> <EquationSource Format="MATHML"><math> <mi>φ</mi> </math></EquationSource> </InlineEquation> of <i>G</i> is called super-monomial if every primitive <i>p</i>-Brauer character inducing <InlineEquation ID="IEq4"> <EquationSource Format="TEX">\(\varphi \)</EquationSource> <EquationSource Format="MATHML"><math> <mi>φ</mi> </math></EquationSource> </InlineEquation> is linear. The group <i>G</i> is said to be a super <InlineEquation ID="IEq5"> <EquationSource Format="TEX">\(M_{p}\)</EquationSource> <EquationSource Format="MATHML"><math> <msub> <mi>M</mi> <mi>p</mi> </msub> </math></EquationSource> </InlineEquation>-group if every irreducible <i>p</i>-Brauer character of <i>G</i> is super-monomial. In this note, we investigate the conditions under which a finite group <i>G</i> qualifies as a super <InlineEquation ID="IEq6"> <EquationSource Format="TEX">\(M_{p}\)</EquationSource> <EquationSource Format="MATHML"><math> <msub> <mi>M</mi> <mi>p</mi> </msub> </math></EquationSource> </InlineEquation>-group. We demonstrate that every normal subgroup of a super <InlineEquation ID="IEq7"> <EquationSource Format="TEX">\(M_{p}\)</EquationSource> <EquationSource Format="MATHML"><math> <msub> <mi>M</mi> <mi>p</mi> </msub> </math></EquationSource> </InlineEquation>-group of odd order is an <InlineEquation ID="IEq8"> <EquationSource Format="TEX">\(M_{p}\)</EquationSource> <EquationSource Format="MATHML"><math> <msub> <mi>M</mi> <mi>p</mi> </msub> </math></EquationSource> </InlineEquation>-group.</p>

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Some remarks on super \(M_{p}\)-groups

  • Xiaoyou Chen,
  • Ali Reza Moghaddamfar

摘要

Let G be a finite group and p be a prime divisor of |G|. An irreducible p-Brauer character \(\varphi \) φ of G is called super-monomial if every primitive p-Brauer character inducing \(\varphi \) φ is linear. The group G is said to be a super \(M_{p}\) M p -group if every irreducible p-Brauer character of G is super-monomial. In this note, we investigate the conditions under which a finite group G qualifies as a super \(M_{p}\) M p -group. We demonstrate that every normal subgroup of a super \(M_{p}\) M p -group of odd order is an \(M_{p}\) M p -group.