3-groups are not determined by their integral cohomology rings
Algebraic Topology
2007-12-03 v1
Abstract
We compute the integral cohomology rings of a family of 3-groups. As a corollary, we exhibit, for each n greater than or equal to 5, a pair of groups of order 3^n whose integral cohomology rings are isomorphic.
Cite
@article{arxiv.0711.4839,
title = {3-groups are not determined by their integral cohomology rings},
author = {Ian J. Leary},
journal= {arXiv preprint arXiv:0711.4839},
year = {2007}
}