论文标题
带有5个不可还原字符的主要块
Principal blocks with 5 irreducible characters
论文作者
论文摘要
我们表明,如果有限的G组的主要P块包含5个不可还原的普通字符,则G的Sylow p-subgroup具有5、7或同构或对8阶的非亚洲2组之一的同构。
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.