Coxeter group A1×A1 A2 {\tilde{I}}_1 A3 BC3 D4 {\tilde{A}}_3 Coxeter diagram CDel node.pngCDel 2.pngCDel node.png CDel node.pngCDel 3.pngCDel node.png CDel node.pngCDel infin.pngCDel node.png CDel node.pngCDel 3.pngCDel node.pngCDel 3.pngCDel node.png CDel node.pngCDel 4.pngCDel node.pngCDel 3.pngCDel node.png CDel node.pngCDel 3.pngCDel node.pngCDel split1.pngCDel nodes.png CDel nod