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I have a question on the definition of 'good' primes in the paper of Cohen and Martinet
I'm reading the paper of Cohen and Martinet 'Etude heuristique des groups de classes'.
In the section 6, for an central idempotent $e$ of $\mathbb{Q}[\Gamma]$ and a prime $p$, the 'goodness' of $p$ is ...
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How can we justify the use of Example 5,4 (of Cohen, Lenstra) assuming their heuristics
In these days, I'm studying Cohen-Lenstra heuristics to understand the paper of Rene Schoof "Class Numbers of Real Cyclotomic Fields of Prime Conductor".
On page 932 of Schoof's paper, there is a ...
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