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Triviality of the ℓ-class groups in $\mathbb{Z}_{p}$-extensions of $\mathbb{Q}(\sqrt{-1})$ for split primes p ≡ 1 modulo 4
Published online by Cambridge University Press: 12 May 2014
Abstract
In this paper we study the class numbers in the finite layers of certain non-cyclotomic $\mathbb{Z}$p-extensions of the imaginary quadratic field $\mathbb{Q}(\sqrt{-1})$, for all primes p ≡ 1 modulo 4. By studying the Mahler measure of elliptic units, we are able to show that there are only finitely many primes ℓ congruent to a primitive root modulo p2 that divide any of the class numbers in the $\mathbb{Z}$p-extension.
- Type
- Research Article
- Information
- Mathematical Proceedings of the Cambridge Philosophical Society , Volume 157 , Issue 1 , July 2014 , pp. 169 - 188
- Copyright
- Copyright © Cambridge Philosophical Society 2014