Kummer generators and lambda invariants

David Hubbard, Lawrence C. Washington

Let $F_0=\mathbf{Q}(\sqrt{-d})$ be an imaginary quadratic field with $3\nmid d$ and let $K_0=\mathbf{Q}(\sqrt{3d})$. Let ${\epsilon }_0$ be the fundamental unit of $K_0$ and let $\lambda$…