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class number problem

finding complete list of imaginary quadratic fields having a given class number
Thing Mathematical Problem Q2403973

Facts

4 properties
Instance of
mathematical problem
Facet of
class number[2]
Described by source
Encyclopædia Britannica 11th edition[3]
Maintained by WikiProject
WikiProject Mathematics[4]
🏷️ Also known as
en class number problem en Gauss class number problem fr problème du nombre de classes fr problème du nombre de classes pour les corps quadratiques imaginaires hu Gauss-féle osztályszámprobléma hu osztályszám-probléma hu osztályszámprobléma ja 類数問題 nl klassegetalprobleem ru проблема числа классов
🔖 Identifiers · 3
Freebase ID
/m/02trz_
MathWorld ID
GausssClassNumberProblem
Microsoft Academic ID (discontinued)
176435748

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Summary

class number problem is a mathematical problem[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). class number problem. Retrieved November 12, 2026, from https://4ort.xyz/entity/class-number-problem
MLA “class number problem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 12 Nov. 2026, https://4ort.xyz/entity/class-number-problem.
BibTeX @misc{4ortxyz_class-number-problem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{class number problem}}, year = {2026}, url = {https://4ort.xyz/entity/class-number-problem}, note = {Accessed: 2026-11-12}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): class number problem — https://4ort.xyz/entity/class-number-problem (retrieved 2026-11-12)

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