A NEW MENON-TYPE IDENTITY DERIVED FROM GROUP ACTIONS

  • MARIUS TĂRNĂUCEANU
    Faculty of Mathematics, “Al.I. Cuza” University of Iași, Iași, ROMANIA
    tarnauc@uaic.ro

Abstract

In this short note, we give a new Menon-type identity involving the sum of element or-ders and the sum of cyclic subgroup orders of a finite group. It is based on applying the weighted form of Burnside’s lemma to a natural group action.

Cuvinte cheie

Menon’s identity weighted Burnside’s lemma group action sum of element orders sum of cyclic subgroup orders