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Pseudo Frobenius numbers
Expositiones Mathematicae ( IF 0.8 ) Pub Date : 2018-10-25 , DOI: 10.1016/j.exmath.2018.10.003
Benjamin Sambale

For a prime p, we call a positive integer n a Frobenius p-number if there exists a finite group with exactly n subgroups of order pa for some a0. Extending previous results on Sylow’s theorem, we prove in this paper that every Frobenius p-number n1(modp2) is a Sylow p-number, i. e., the number of Sylow p-subgroups of some finite group. As a consequence, we verify that 46 is a pseudo Frobenius 3-number, that is, no finite group has exactly 46 subgroups of order 3a for any a0.



中文翻译:

伪Frobenius数

对于素数 p,我们称为正整数 ñ Frobenius p-number,如果存在一个有限群 ñ 订单子组 p一种 对于一些 一种0。扩展先前关于Sylow定理的结果,我们在本文中证明每个Frobeniusp-数 ñ1个p2 是一个Sylow p-number,即Sylow的数量 p-有限群的子群。结果,我们验证46是伪Frobenius 3数,也就是说,没有一个有限群具有精确的46个子群3一种 对于任何 一种0

更新日期:2018-10-25
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