Herbrand–Ribet theorem

theorem
Intangible theorem Q384142

Facts

6 properties
Instance of
theorem
Defining formula
\epsilon_n = \frac{1}{p-1}\sum_{a=1}^{p-1} \omega(a)^n \sigma_a^{-1}[5]
Maintained by WikiProject
WikiProject Mathematics[7]
🏷️ Also known as
en Herbrand–Ribet theorem es teorema de Herbrand-Ribet fr théorème de Herbrand-Ribet id teorema Herbrand–Ribet ja エルブラン・リベットの定理 ja エルブラン・リベの定理 nl Stelling van Herbrand-Ribet pt teorema de Herbrand–Ribet tr Herbrand-Ribet teoremi zh 埃爾布朗–里貝特定理
🔖 Identifiers · 2
Freebase ID
/m/04432t
Microsoft Academic ID (discontinued)
83154227

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🔗 Connections
Named after 2
Created notable works 1
Instance of 1
Maintained by WikiProject 1
Part of 1
Studied by 1
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Summary

Herbrand–Ribet theorem is a theorem[1].

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APA 4ort.xyz Knowledge Graph. (2026). Herbrand–Ribet theorem. Retrieved November 7, 2026, from https://4ort.xyz/entity/herbrand-ribet-theorem
MLA “Herbrand–Ribet theorem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 Nov. 2026, https://4ort.xyz/entity/herbrand-ribet-theorem.
BibTeX @misc{4ortxyz_herbrand-ribet-theorem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Herbrand–Ribet theorem}}, year = {2026}, url = {https://4ort.xyz/entity/herbrand-ribet-theorem}, note = {Accessed: 2026-11-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Herbrand–Ribet theorem — https://4ort.xyz/entity/herbrand-ribet-theorem (retrieved 2026-11-07)

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