Finite Group Databasebeta

C9×D253 #17986906

order4554
isoclinismisoclinic class of D253
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

direct productC9×D253
unambiguous semidirect productC11⋊(C9×D23)
unambiguous semidirect productC23⋊(C9×D11)

Splittings

Fitting, HallC9×C11×C23 ⋊ C2
derived, HallC11×C23 ⋊ C2×C9
HallC9×C23 ⋊ D11
HallC9×C11 ⋊ D23
SylowC23 ⋊ C9×D11
SylowC11 ⋊ C9×D23

Subgroups

subgroupG/H
center, hypercenterC9D253
commutator, hypocenterC11×C23C2×C9
FrattiniC3C3×D253
FittingC9×C11×C23C2
socle, cosocleC3×C11×C23C2×C3
prime radicalC3×D253C3
LCSG ▷ C11×C23
UCSC1 ◁ C9

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 43
transitive degreeμt(G) = 2277

A minimal faithful permutation representation — 2 generators on 43 points:

(1,2,3,4,5,6,7,8,9)(10,11,12,13,14,15,16,17,18,19,20)(21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43);(11,20)(12,19)(13,18)(14,17)(15,16)(22,43)(23,42)(24,41)(25,40)(26,39)(27,38)(28,37)(29,36)(30,35)(31,34)(32,33)

Conjugacy classes & character table

1152 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC5×C9×D253, C9×D1265, C9×C23⋊AGL(1,𝔽11), …
maximal normal subgroup ofC5×C9×D253, C9×C23⋊AGL(1,𝔽11), C7×C9×D253
maximal quotient ofC5×C9×D253, C9×D1265, C7×C9×D253, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4554, 8);