2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71724I withdraw my paper from arXiv because there is a technical error in the proof of Theorem 1.1. And because of this error, all the results in the paper are untrue. I am very sorry for this.8 pagesGroup Theory20D15; 20D45Class-Preserving Automorphisms of a Family of Finite p-Groupstext