connectedComponents(D)
i1 : R=rootSystemE(6) o1 = RootSystem{...8...} o1 : RootSystem
i2 : D=dynkinDiagram(R) o2 = DynkinDiagram{{{3}, {}, {}, {}, {}}, {{4}, {}, {}, {}, {}}, {{1, 4}, {}, {}, {}, {}}, {{2, 3, 5}, {}, {}, {}, {}}, {{4, 6}, {}, {}, {}, {}}, {{5}, {}, {}, {}, {}}} o2 : DynkinDiagram
i3 : endVertices(D) o3 = set {1, 6, 2} o3 : Set