$$\varvec{z}$$ z -Classes in finite groups of conjugate type $$\varvec{(n,1)}$$ ( n , 1 ) - Proceedings - Mathematical SciencesTwo elements in a group G are said to be z-equivalent or to be in the same z-class if their centralizers are conjugate in G. In a recent work, Kulkarni et al. (J.https://link.springer.com/article/10.1007/s12044-018-0412-5