2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/203090We present analytic proofs of the properties of four particle states in the g9/2 shell which have seniority v=4 and angular momentum I=4 or 6.We show in particular that the number of pairs with angular momentum I is equal to one for these states.Nuclear Theorytext