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Principal blocks with 5 irreducible characters
Journal of Algebra ( IF 0.9 ) Pub Date : 2021-06-11 , DOI: 10.1016/j.jalgebra.2021.06.009
Noelia Rizo , A.A. Schaeffer Fry , Carolina Vallejo

We show that if the principal p-block of a finite group G contains exactly 5 irreducible ordinary characters, then a Sylow p-subgroup of G has order 5, 7 or is isomorphic to one of the non-abelian 2-groups of order 8.



中文翻译:

具有 5 个不可约字符的主块

我们证明如果有限群G的主p块恰好包含 5 个不可约普通字符,则G的 Sylow p具有5、7阶或同构于 8 阶非阿贝尔 2 群之一.

更新日期:2021-06-17
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