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G2

simple Lie group; the automorphism group of the octonions
Class type of: Lie group Q869338

Facts

6 properties
Instance of
exceptional simple Lie group, automorphism group[2]
Subclass of
Lie group[3]
Characteristic of
octonion[7]
Different from
G2[4]
Euler characteristic
0.0[6]
Studied by
category theory[5]
🏷️ Also known as
en G2 es G₂ ja G2 (数学) ja G2 (数学)#ディンキン図形とカルタン行列 ru G2
🔖 Identifiers · 3
Image (Wikimedia Commons)
Root system G2.svg ↗
Freebase ID
/m/01qtlk
NLab ID
G2

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Characteristic of 1
octonion
Different from 1
G2
Instance of 1
automorphism group
Studied by 1
category theory
Subclass of 1
Lie group
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Summary

G2 is an exceptional simple Lie group[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.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . 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). G2. Retrieved November 8, 2026, from https://4ort.xyz/entity/g2-q869338-2
MLA “G2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/g2-q869338-2.
BibTeX @misc{4ortxyz_g2-q869338-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{G2}}, year = {2026}, url = {https://4ort.xyz/entity/g2-q869338-2}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): G2 — https://4ort.xyz/entity/g2-q869338-2 (retrieved 2026-11-08)

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