Finite Group Databasebeta

D10593 #35234239

order21186
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD10593
unambiguous semidirect productC9⋊D1177
unambiguous semidirect productC11⋊D963
unambiguous semidirect productC107⋊D99

Splittings

Fitting, derived, HallC9×C11×C107 ⋊ C2
HallC11×C107 ⋊ D9
HallC9×C107 ⋊ D11
SylowC107 ⋊ D99
HallC9×C11 ⋊ D107
SylowC11 ⋊ D963
SylowC9 ⋊ D1177

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C11×C107C2
FrattiniC3D3531
socleC3×C11×C107D3
LCSG ▷ C9×C11×C107
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 127
transitive degreeμt(G) = 10593

A minimal faithful permutation representation — 2 generators on 127 points:

(1,2,3,4,5,6,7,8,9)(10,11,12,13,14,15,16,17,18,19,20)(21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127);(2,9)(3,8)(4,7)(5,6)(11,20)(12,19)(13,18)(14,17)(15,16)(22,127)(23,126)(24,125)(25,124)(26,123)(27,122)(28,121)(29,120)(30,119)(31,118)(32,117)(33,116)(34,115)(35,114)(36,113)(37,112)(38,111)(39,110)(40,109)(41,108)(42,107)(43,106)(44,105)(45,104)(46,103)(47,102)(48,101)(49,100)(50,99)(51,98)(52,97)(53,96)(54,95)(55,94)(56,93)(57,92)(58,91)(59,90)(60,89)(61,88)(62,87)(63,86)(64,85)(65,84)(66,83)(67,82)(68,81)(69,80)(70,79)(71,78)(72,77)(73,76)(74,75)

Polycyclic presentation:

2,3,11,107,3|b^3=e^2,b^a=b^2e,c^a=c^10,d^a=d^106,e^a=e^2

Conjugacy classes & character table

5298 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD31779
maximal quotient ofD31779

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21186, 8);