We show that a special case of the equivariant Tamagawa number conjecture implies explicit restrictions on the structure of ideal class groups that are in general much finer than those which can be obtained by using the method of Thaine.
Cite this article
David Burns, Anthony Hayward, Explicit units and the equivariant Tamagawa number conjecture, II. Comment. Math. Helv. 82 (2007), no. 3, pp. 477–497DOI 10.4171/CMH/100