2017/02/08 by Eick, Bettina
#FOS: Mathematics #Group Theory (math.GR)
paper · doi:10.48550/arxiv.1702.02616
Let N(n) denote the number of isomorphism types of groups of order n. We consider the integers n that are products of at most 4 not necessarily distinct primes and exhibit formulas for N(n) for such n.