Statements (32)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:group_of_people
dihedral group |
gptkbp:automorphismGroup |
gptkb:GL(2,2)
|
gptkbp:centralTo |
{1, r^2}
|
gptkbp:hasCharacterTable |
known
|
gptkbp:hasConjugacyClasses |
5
|
gptkbp:hasElementOrder |
2
1 4 |
gptkbp:hasIrreducibleRepresentations |
5
|
gptkbp:hasNormalSubgroup |
gptkb:Klein_four-group
cyclic group of order 4 |
gptkbp:hasSubgroup |
gptkb:Klein_four-group
cyclic group of order 4 |
https://www.w3.org/2000/01/rdf-schema#label |
dihedral group D 4
|
gptkbp:isGroupOfSymmetriesOf |
regular quadrilateral
|
gptkbp:isNilpotent |
true
|
gptkbp:isNonAbelian |
true
|
gptkbp:isomorphicTo |
gptkb:symmetry_group_of_square
C_4 ⋊ C_2 |
gptkbp:isSimple |
false
|
gptkbp:isSolvable |
true
|
gptkbp:isSymmetryGroupOf |
gptkb:public_square
|
gptkbp:notation |
gptkb:D_4
gptkb:D8 Dihedral(4) |
gptkbp:numberOfElementsOfOrder2 |
5
|
gptkbp:numberOfElementsOfOrder4 |
2
|
gptkbp:order |
8
|
gptkbp:presentedBy |
⟨r, s | r^4 = s^2 = 1, s r s^{-1} = r^{-1}⟩
|
gptkbp:bfsParent |
gptkb:symmetric_group_S_4
|
gptkbp:bfsLayer |
8
|