%A LI Ning-ying, GUO Ji-dong, HAI Jin-ke
%T Number of homomorphisms between groups with Abel direct factors and finite groups
%0 Journal Article
%D 2019
%J JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE)
%R 10.6040/j.issn.1671-9352.0.2019.092
%P 59-62
%V 54
%N 12
%U {http://lxbwk.njournal.sdu.edu.cn/CN/abstract/article_3191.shtml}
%8
%X Let H,G be finite group. If the subgroup A of H is an Abel direct factor of H, then the number of homomorphism from H to G is a multiple of the largest common factor of |A| and |G|. The famous T.Yoshidas theorem is generalized.