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On Huppert’s $$\rho $$ ρ - $$\sigma $$ σ conjecture
Monatshefte für Mathematik ( IF 0.9 ) Pub Date : 2021-05-25 , DOI: 10.1007/s00605-021-01577-x
Yang Liu , Yong Yang

Let G be a finite solvable group, \(\rho (G)\) the set of those primes that divide the degree of some irreducible character of G and \(\sigma (G)\) the maximum number of primes dividing the degree of an irreducible character of G. We show that \(|\rho (G)| \le 3\sigma (G)\). This improves the best known bound \(|\rho (G)| \le 3\sigma (G)+2\) given by Manz and Wolf in [6].



中文翻译:

关于Huppert的$$ \ rho $$ρ-$$ \ sigma $$σ猜想

G是一个有限的可解群,\(\ rho(G)\)的那些素数的集合除以G的某些不可约性,而\(\ sigma(G)\)的素数的最大数目除以该度G的不可约性。我们证明\(| \ rho(G)| \ le 3 \ sigma(G)\)。这改善了Manz和Wolf在[6]中给出的最著名的边界\(| rho(G)| \ le 3 \ sigma(G)+2 \)

更新日期:2021-05-25
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