2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/74377We calculate explicitly the normal zeta function of the free class two nilpotent group on four generators. This has Hirsch length ten.31 pagesGroup TheoryNumber Theory11M41 (Primary) 20E07 (Secondary)The normal zeta function of the free class two nilpotent group on four generatorstext