Finite Group Databasebeta

C9⋊#16811784 #44501702

order30690
automorphism?
homologyAbelianization (H1) = C2×C5 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC9⋊#16811784

Splittings

Fitting, derived, HallC9×C11×C31 ⋊ C2×C5
HallC9×#13133723 ⋊ C2
HallD3069 ⋊ C5
Hall#13133723 ⋊ D9
HallC11×C31 ⋊ C5×D9
HallC9×C31 ⋊ AGL(1,𝔽11)
HallC9×C11 ⋊ D31⋊C5
SylowC31 ⋊ C9⋊AGL(1,𝔽11)
SylowC11 ⋊ C9⋊(D31⋊C5)
SylowC9 ⋊ #16811784

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C11×C31C2×C5
FrattiniC3C3⋊#16811784
socleC3×C11×C31C5×D3
LCSG ▷ C9×C11×C31
UCSC1

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 51
transitive degreeμt(G) = 3069

A minimal faithful permutation representation — 2 generators on 51 points:

(2,4)(3,7)(5,6)(8,9)(11,15,16,14,19,12,13,20,17,18)(22,26,25,34,35,23,24,28,29,44)(27,41,42,43,45,32,33,49,50,48)(30,38,39,46,47,37,31,40,36,51);(1,9,4,7,6,5,3,2,8)(10,11,14,19,13,16,20,15,18,17,12)(21,22,25,30,35,45,39,38,24,27,33,43,47,49,46,34,29,36,42,51,50,41,32,26,31,40,48,44,37,28,23)

Polycyclic presentation:

2,3,5,11,31,3|b^3=f^2,b^a=b^2f,d^a=d^10,e^a=e^30,f^a=f^2,d^c=d^4,e^c=e^8

Conjugacy classes & character table

336 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30690, 69);