Finite Group Databasebeta

D9333 #32916282

order18666
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD9333
unambiguous semidirect productC9⋊D1037
unambiguous semidirect productC17⋊D549
unambiguous semidirect productC61⋊D153

Splittings

Fitting, derived, HallC9×C17×C61 ⋊ C2
HallC17×C61 ⋊ D9
HallC9×C61 ⋊ D17
HallC9×C17 ⋊ D61
SylowC61 ⋊ D153
SylowC17 ⋊ D549
SylowC9 ⋊ D1037

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C17×C61C2
FrattiniC3D3111
socleC3×C17×C61D3
LCSG ▷ C9×C17×C61
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 87
transitive degreeμt(G) = 9333

A minimal faithful permutation representation — 2 generators on 87 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)(27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87);(2,9)(3,8)(4,7)(5,6)(11,26)(12,25)(13,24)(14,23)(15,22)(16,21)(17,20)(18,19)(28,87)(29,86)(30,85)(31,84)(32,83)(33,82)(34,81)(35,80)(36,79)(37,78)(38,77)(39,76)(40,75)(41,74)(42,73)(43,72)(44,71)(45,70)(46,69)(47,68)(48,67)(49,66)(50,65)(51,64)(52,63)(53,62)(54,61)(55,60)(56,59)(57,58)

Polycyclic presentation:

2,3,17,61,3|b^3=e^2,b^a=b^2e,c^a=c^16,d^a=d^60,e^a=e^2

Conjugacy classes & character table

4668 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD61×D153, D17×D549, D9×D1037, …
maximal normal subgroup ofD61×D153, D17×D549, D9×D1037, …
maximal quotient ofDic9333, C2×D9333, D27999

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18666, 9);