  
  [1X18 [33X[0;0YOrbit polytopes and fundamental domains[133X[101X
  
      │      [10XCoxeterComplex(D)[110X [10XCoxeterComplex(D,n)[110X     
      │        [10XContractibleGcomplex("PSL(4,Z)")[110X        
      │       [10XQuotientOfContractibleGcomplex(C,D)[110X      
      │            [10XTruncatedGComplex(R,m,n)[110X            
      │    [10XFundamentalDomainStandardSpaceGroup(v,G)[110X    
      │              [10XOrbitPolytope(G,v,L) [110X             
      │ [10XPolytopalComplex(G,v) [110X [10XPolytopalComplex(G,v,n) [110X
      │            [10XPolytopalGenerators(G,v) [110X           
      │             [10XVectorStabilizer(G,v) [110X             
  
