On the restricted Hilbert-Speiser and Leopoldt properties

Nigel P. Byott, James E. Carter, Cornelius Greither +1

Let G be a finite abelian group. A number field K is called a Hilbert-Speiser field of type G if, for every tame G-Galois extension L/K, the ring of integers O_L is free as an O_K[…