On the number of subgroups of a given exponent in a finite abelian group
arXiv:1507.00532 · doi:10.2298/PIM1715121T
Abstract
This paper deals with the number of subgroups of a given exponent in a finite abelian group. Explicit formulas are obtained in the case of rank two and rank three abelian groups. An asymptotic formula is also presented.
15 pages, revised