Freudenthal magic square

construction of Lie algebras (including, notably, the exceptional simple Lie algebras) from a pair of real division algebras (R, C, H, O)
Intangible mathematical_concept Q5503261
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Freudenthal magic square

Summary

Freudenthal magic square is a mathematical concept[1]. It draws 14 Wikipedia views per month (mathematical_concept category, ranking #254 of 1,007).[2]

Key Facts

  • Freudenthal magic square is credited with the discovery of Jacques Tits[3].
  • Freudenthal magic square is credited with the discovery of Hans Freudenthal[4].
  • Freudenthal magic square's instance of is recorded as mathematical concept[5].
  • Hans Freudenthal is named after Freudenthal magic square[6].
  • magic square is named after Freudenthal magic square[7].
  • Freudenthal magic square's Freebase ID is recorded as /m/03cjj2m[8].
  • Freudenthal magic square's facet of is recorded as simple Lie group[9].
  • Freudenthal magic square's facet of is recorded as division algebra[10].
  • Freudenthal magic square's facet of is recorded as Jordan algebra[11].
  • Freudenthal magic square's facet of is recorded as Kantor–Koecher–Tits construction[12].
  • Freudenthal magic square's nLab ID is recorded as Freudenthal magic square[13].
  • Freudenthal magic square's Microsoft Academic ID is recorded as 149378083[14].

Body

Works and Contributions

Credited discoveries include Jacques Tits[3], a mathematician[15], 1930–2021[16], of France[17], awarded the Knight of the Legion of Honour[18], specialised in group theory[19] and Hans Freudenthal[4], a mathematician[20], 1905–1990[21], of Kingdom of the Netherlands[22], awarded the De Gouden Ganzenveer[23], specialised in topology[24].

Why It Matters

Freudenthal magic square draws 14 Wikipedia views per month (mathematical_concept category, ranking #254 of 1,007).[2]

References

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

Direct Wikidata claims

  1. [5] . wikidata.org.
  2. [3] . wikidata.org.
  3. [4] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.

Inline context (facts about related entities)

  1. [15] . Wikidata. wikidata.org. → on this site
  2. [16] . Wikidata. wikidata.org. → on this site
  3. [17] . Wikidata. wikidata.org. → on this site
  4. [18] . Wikidata. wikidata.org. → on this site
  5. [19] . Wikidata. wikidata.org. → on this site
  6. [20] . Wikidata. wikidata.org. → on this site
  7. [21] . Wikidata. wikidata.org. → on this site
  8. [22] . Wikidata. wikidata.org. → on this site
  9. [23] . Wikidata. wikidata.org. → on this site
  10. [24] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

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). Freudenthal magic square. Retrieved May 3, 2026, from https://4ort.xyz/entity/freudenthal-magic-square
MLA “Freudenthal magic square.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/freudenthal-magic-square.
BibTeX @misc{4ortxyz_freudenthal-magic-square_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Freudenthal magic square}}, year = {2026}, url = {https://4ort.xyz/entity/freudenthal-magic-square}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Freudenthal magic square — https://4ort.xyz/entity/freudenthal-magic-square (retrieved 2026-05-03)

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