A PROBLEM OF FOMENKO'S RELATED TO ARTIN'S CONJECTURE
A PROBLEM OF FOMENKO'S RELATED TO ARTIN'S CONJECTURE
Let a be a natural number greater than 1. For each prime p, let i a (p) denote the index of the group generated by a in [Formula: see text]. Assuming the generalized Riemann hypothesis and Conjecture A of Hooley, Fomenko proved in 2004 that the average value of i …