Finite Group Databasebeta
Cayley diagram

D224 #89243

order448
isoclinismisoclinic class of D224
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD224

Splittings

FittingC7×C32 ⋊ C2
SylowC7 ⋊ D32

Subgroups

subgroupG/H
centerC2D112
commutator, cosocleC7×C16C22
FrattiniC16C2×D7
FittingC7×C32C2
socleC2×C7D16
hypercenterC32D7
hypocenterC7D32
LCSG ▷ C7×C16 ▷ C7×C8 ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ C16 ◁ C32

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 39
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 2 generators on 39 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32)(33,34,35,36,37,38,39);(2,32)(3,31)(4,30)(5,29)(6,28)(7,27)(8,26)(9,25)(10,24)(11,23)(12,22)(13,21)(14,20)(15,19)(16,18)(34,39)(35,38)(36,37)

Polycyclic presentation:

2^6,7|b^2=cd,c^2=de,d^2=ef,e^2=f,b^a=bc,c^a=cd,d^a=de,e^a=ef,g^a=g^6

Conjugacy classes & character table

115 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD448, #11725240, #11725413, …
maximal normal subgroup ofD448, #11725240, #11725413, …
maximal quotient ofD448, #11725240, Dic224, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 5);