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The mean number of 3-torsion elements in...
Varma, Ila...
The mean number of 3-torsion elements in ray class groups of quadratic fields by Varma, Ila ( Author )
Australian National University
09-08-2023
We determine the average number of $3$-torsion elements in the ray class groups of fixed (integral) conductor $c$ of quadratic fields ordered by absolute discriminant, generalizing Davenport and Heilbronn's theorem on class groups. A consequence of this result is that a positive proportion of such ray class groups of quadratic fields have trivial 3-torsion subgroup whenever the conductor $c$ is taken to be a squarefree integer having very few prime factors none of which are congruent to $1 \bmod 3$. Additionally, we compute the second main term for the number of $3$-torsion elements in ray class groups with fixed conductor of quadratic fields with bounded discriminant.
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Article
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29.34 KB
English
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MYR 0.01
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http://arxiv.org/abs/1609.02292
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