Finite Group Databasebeta
Cayley diagram

C9×Dic11 #87670

order396
isoclinismisoclinic class of D11
automorphismAut(G) = C22×C3×AGL(1,𝔽11) (order 1320) · Inn(G) = D11 · Out(G) = C22×C3×C5
homologyAbelianization (H1) = C4×C9 · Schur multiplier (H2) = C1

Aliases

direct productC9×Dic11
unambiguous semidirect productC11⋊(C4×C9)

Splittings

derived, SylowC11 ⋊ C4×C9
HallC9×C11 ⋊ C4

Subgroups

subgroupG/H
center, hypercenterC2×C9D11
commutator, hypocenterC11C4×C9
FrattiniC2×C3C3×D11
FittingC2×C9×C11C2
socle, prime radical, cosocleC2×C3×C11C2×C3
LCSG ▷ C11
UCSC1 ◁ C2×C9

18 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 396

A minimal faithful permutation representation — 2 generators on 24 points:

(2,3)(4,5)(6,7)(8,9)(10,11)(12,13,14,15)(16,17,19,18,20,22,21,23,24);(1,2,4,6,8,10,11,9,7,5,3)

Conjugacy classes & character table

126 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11716175, D9×Dic11, D99⋊C4, …
maximal normal subgroup of#11716175, D9×Dic11, D99⋊C4, …
maximal quotient ofC9×C11⋊C8, C2×C9×Dic11, C27×Dic11, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(396, 2);