2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/167934We study general properties of the restriction of the representations of the finite complex reflection groups $G(de,e,r+1)$ to their maximal parabolic subgroups of type $G(de,e,r)$, and focus notably on the multiplicity of components. In combinatorial terms, this amounts to the following question : which symmetries arise or disappear when one changes (exactly) one pearl in a combinatorial necklace ?minor revisionRepresentation TheoryCombinatorics20C99, 20F55text