I 2(n) (dihedral group)

GPTKB entity

Statements (22)
Predicate Object
gptkbp:instanceOf gptkb:Weyl_group
gptkb:group_of_people
gptkbp:actsOn regular n-gon
gptkbp:centralTo order 2 if n even
trivial if n odd
gptkbp:Dynkin_diagram two nodes connected by an edge labeled n
gptkbp:generation reflection
rotation
gptkbp:hasSubgroup cyclic group of order n
n subgroups of order 2
https://www.w3.org/2000/01/rdf-schema#label I 2(n) (dihedral group)
gptkbp:isNonAbelian false
gptkbp:isomorphicTo dihedral group of order 2n
gptkbp:isSimple false
gptkbp:order 2n
gptkbp:orderOfReflectionSubgroup 2
gptkbp:orderOfRotationSubgroup n
gptkbp:presentedBy ⟨r, s | r^n = s^2 = 1, srs = r^{-1}⟩
gptkbp:usedIn gptkb:geometry
group theory
gptkbp:bfsParent gptkb:Coxeter_groups
gptkbp:bfsLayer 7