| gptkbp:instanceOf | gptkb:Lie_group 
 | 
                        
                            
                                | gptkbp:acts_as_automorphisms_of | gptkb:octonion_algebra 
 | 
                        
                            
                                | gptkbp:actsOn | 7-dimensional real vector space 
 | 
                        
                            
                                | gptkbp:automorphismGroup | gptkb:octonions 
 | 
                        
                            
                                | gptkbp:centralTo | trivial 
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                                | gptkbp:compact_real_form | gptkb:G2 
 | 
                        
                            
                                | gptkbp:complexification | G2(C) 
 | 
                        
                            
                                | gptkbp:dimensions | 14 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:Wilhelm_Killing gptkb:Élie_Cartan
 
 | 
                        
                            
                                | gptkbp:discoveredIn | late 19th century 
 | 
                        
                            
                                | gptkbp:Dynkin_diagram | gptkb:G2_Dynkin_diagram 
 | 
                        
                            
                                | gptkbp:fundamentalGroup | trivial 
 | 
                        
                            
                                | gptkbp:has_adjoint_representation_of_dimension | 14 
 | 
                        
                            
                                | gptkbp:has_fundamental_representation_of_dimension | 7 
 | 
                        
                            
                                | gptkbp:has_maximal_torus_of_dimension | 2 
 | 
                        
                            
                                | gptkbp:hasSubgroup | gptkb:SO(7) gptkb:Spin(7)
 
 | 
                        
                            
                                | gptkbp:Lie_algebra | g2 
 | 
                        
                            
                                | gptkbp:rank | 2 
 | 
                        
                            
                                | gptkbp:realForm | compact split
 
 | 
                        
                            
                                | gptkbp:relatedTo | gptkb:Weyl_group gptkb:holonomy_group
 gptkb:weight_lattice
 gptkb:string_theory
 gptkb:exceptional_Jordan_algebra
 gptkb:F4_(Lie_group)
 gptkb:M-theory
 gptkb:exceptional_Lie_algebra
 gptkb:octonions
 gptkb:magic_square_(Lie_algebra)
 gptkb:E6_(Lie_group)
 gptkb:E8_(Lie_group)
 differential geometry
 representation theory
 Cartan subalgebra
 exceptional holonomy
 special holonomy
 7-dimensional manifolds
 E7 (Lie group)
 special Riemannian geometry
 
 | 
                        
                            
                                | gptkbp:split_real_form | gptkb:G2(2) 
 | 
                        
                            
                                | gptkbp:type | gptkb:Lie_group gptkb:G2_root_system
 
 | 
                        
                            
                                | gptkbp:Weyl_group | gptkb:dihedral_group_of_order_12 12
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:G2_manifolds 
 | 
                        
                            
                                | gptkbp:bfsLayer | 8 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Lie group G2 
 |