Finite Group Databasebeta
Cayley diagram

#6189

order216
isoclinismisoclinic class of #6189
automorphismAut(G) = C22×D3×AGL(1,ℤ/9) (order 1296) · Inn(G) = D3×D9 · Out(G) = C22×C3
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C1

Aliases

No aliases for this group.

Splittings

SylowC3×C9 ⋊ Q8

Subgroups

subgroupG/H
center, hypercenterC2D3×D9
commutator, Fitting, cosocleC2×C3×C9C22
FrattiniC2×C3D32
socle, prime radicalC2×C32C2×D3
hypocenterC3×C9Q8
LCSG ▷ C2×C3×C9 ▷ C3×C9
UCSC1 ◁ C2

42 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 72

A minimal faithful permutation representation — 2 generators on 20 points:

(1,2,3)(5,7)(6,10)(8,9)(11,12)(13,15,16,20)(14,17,18,19);(2,3)(4,9,11,10,5,7,6,12,8)(13,14,16,18)(15,19,20,17)

Polycyclic presentation:

2^3,3^3|a^2=c,b^2=c,d^3=f^2,b^a=bc,e^a=e^2,d^b=d^2f,f^b=f^2

Conjugacy classes & character table

33 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD9×Dic6, (C3⋊D9)⋊Q8, D3×Dic18, …
maximal normal subgroup ofD9×Dic6, (C3⋊D9)⋊Q8, D3×Dic18, …
maximal quotient ofDic9⋊Dic3, #88442, Dic3⋊Dic9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(216, 26);