Hurwitz class number
id:
hurwitz-class-number-266-9368621
title:
Hurwitz class number
text:
In mathematics, the Hurwitz class number H(N), introduced by Adolf Hurwitz, is a modification of the class number of positive definite binary quadratic forms of discriminant –N, where forms are weighted by 2/g for g the order of their automorphism group, and where H(0) = –1/12. Zagier (1975) showed that the Hurwitz class numbers are coefficients of a mock modular form of weight 3/2.
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wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Hurwitz_class_number
date created:
date modified:
2020-10-11T11:37:31Z
main entity:
{"identifier":"Q5948822","url":"https://www.wikidata.org/entity/Q5948822"}
image:
fields total:
13
integrity:
13