Marius Tărnăuceanu

Two new functions related to the sum of element orders of a finite group

Let [Formula: see text] be a finite group and [Formula: see text] be a proper normal subgroup of [Formula: see text]. In this note, we introduce two new functions [Formula: see text] and [Formula: see text] involving the sums of element orders of [Formula: see text] and [Formula:...