2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66669The mod 2 cohomology algebra of the holomorph of any finite cyclic group whose order is a power of 2 is determined.AMSTeX2.1, 11 pages. A complete description of the multiplicative structure is now includedGroup TheoryAlgebraic Topology20J05 20J06On the cohomology of the holomorph of a finite cyclic grouptext