Computation of the Kummer ratio of the class number for prime cyclotomic fields

Alessandro Languasco, Pieter Moree, Sumaia Saad Eddin +1

Let ${\zeta }_q$ be a primitive $q^{\text{th}}$ root of unity with $q$ an arbitrary odd prime. The ratio of Kummer's first factor of the class number of the cyclotomic number field $\math…