2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/216043Assuming the 2-adic Iwasawa main conjecture, we find all CM fields with higher relative class number at most 16: there are at least 31 and at most 34 such fields, and exactly one is not abelian.10 pagesNumber TheoryK-Theory and Homologytext