Finite Group Databasebeta
Cayley diagram

D9×C23 #88023

order414
isoclinismisoclinic class of D9
automorphismAut(G) = C2×C11×AGL(1,ℤ/9) (order 1188) · Inn(G) = D9 · Out(G) = C2×C3×C11
homologyAbelianization (H1) = C2×C23 · Schur multiplier (H2) = C1

Aliases

direct productD9×C23
unambiguous semidirect productC9⋊(C2×C23)

Splittings

Fitting, HallC9×C23 ⋊ C2
derived, SylowC9 ⋊ C2×C23

Subgroups

subgroupG/H
center, hypercenterC23D9
commutator, cosocle, hypocenterC9C2×C23
FrattiniC3D3×C23
FittingC9×C23C2
socleC3×C23D3
LCSG ▷ C9
UCSC1 ◁ C23

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 207

A minimal faithful permutation representation — 2 generators on 32 points:

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

Conjugacy classes & character table

138 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD9×D23, C2×D9×C23, C23×D27, …
maximal normal subgroup ofD9×D23, C2×D9×C23, C3×D9×C23, …
maximal quotient ofC23×Dic9, C2×D9×C23, C23×D27, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(414, 1);