| gptkbp:instanceOf | gptkb:Lie_group 
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                                | gptkbp:automorphismGroup | gptkb:octonions 
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                                | gptkbp:Borel_subgroup | solvable subgroup 
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                                | gptkbp:Cartan_matrix | [[2, -3], [-1, 2]] 
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                                | gptkbp:centralTo | trivial 
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                                | gptkbp:complexification | G2(C) 
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                                | gptkbp:dimensions | 14 
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                                | gptkbp:discoveredBy | gptkb:Wilhelm_Killing gptkb:Élie_Cartan
 
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                                | gptkbp:discoveredIn | late 19th century 
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                                | gptkbp:Dynkin_diagram | two nodes connected by a triple bond 
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                                | gptkbp:fundamentalGroup | trivial (for compact form) 
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                                | gptkbp:holonomy_group_of | 7-dimensional Riemannian manifolds 
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                                | gptkbp:Lie_algebra | g2 
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                                | gptkbp:maximal_compact_subgroup | SU(2) × SU(2)/Z2 
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                                | gptkbp:rank | 2 
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                                | gptkbp:realForm | compact split
 
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                                | gptkbp:relatedTo | gptkb:F4 gptkb:exceptional_Jordan_algebra
 gptkb:octonions
 E8
 E6
 E7
 subgroup of E6
 subgroup of E7
 subgroup of E8
 subgroup of F4
 subgroup of GL(7, R)
 subgroup of SO(7)
 subgroup of SO(8)
 subgroup of Spin(7)
 subgroup of Spin(8)
 automorphisms of the octonion algebra
 special holonomy in 7 dimensions
 symmetries of the 7-sphere
 symmetries of the Fano plane
 
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                                | gptkbp:type | gptkb:G2_root_system 
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                                | gptkbp:used_in | gptkb:string_theory gptkb:M-theory
 differential geometry
 theory of special holonomy
 
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                                | gptkbp:Weyl_group | gptkb:dihedral_group_of_order_12 12
 
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                                | gptkbp:bfsParent | gptkb:Octonions 
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                                | gptkbp:bfsLayer | 8 
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                                | https://www.w3.org/2000/01/rdf-schema#label | exceptional Lie group G2 
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