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5
votes
Cohen-Lenstra heuristics for totally complex fields
The general heuristic goes as follows (see the original paper by Cohen-Martinet, but I am being a bit more conservative, since some primes that Cohen-Lenstra-Martinet called "good" seem to not be all …
3
votes
Accepted
How can we justify the use of Example 5,4 (of Cohen, Lenstra) assuming their heuristics
Eventually, Schoof does use the Cohen–Lenstra heuristics to justify his claims, but only very loosely. … The Cohen–Lenstra heuristics make predictions about the behaviour of class groups of varying number fields, where the number fields vary in "horizontal" families: one fixes a finite group $G$, and runs …