2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/297We study the geometry of Nieto's quintic threefold (Barth & Nieto, J. Alg. Geom. 3, 1994) and the Kummer and abelian surfaces that correspond to special loci.Plain TeX, 17 pages. Final version, with minor corrections, to appear in Proc. Edinburgh Math. SocAlgebraic Geometry14J28 (Primary) 14J30 14N05 14K10 (Secondary)text