Finite Group Databasebeta
Cayley diagram

C9⋊#261 #90835

order468
isoclinismisoclinic class of C9⋊#261
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC9⋊#261

Splittings

Fitting, derived, HallC9×C13 ⋊ C4
SylowC13 ⋊ Dic9
SylowC9 ⋊ #261

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC9×C13C4
FrattiniC3C3⋊#261
socleC3×C13Dic3
prime radicalC3×D13D3
cosocleC9×D13C2
LCSG ▷ C9×C13
UCSC1

18 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 117

A minimal faithful permutation representation — 2 generators on 22 points:

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

Polycyclic presentation:

2^2,3,13,3|a^2=b,c^3=e^2,c^a=c^2e,d^a=d^5,e^a=e^2,d^b=d^12

Conjugacy classes & character table

39 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD9×#261, C2×C9⋊#261, C27⋊#261, …
maximal normal subgroup ofD9×#261, C2×C9⋊#261, #13063933, …
maximal quotient ofC9⋊#1057, C2×C9⋊#261, C27⋊#261, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(468, 10);