Finite Group Databasebeta

D8217 #30656146

order16434
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD8217
unambiguous semidirect productC9⋊D913
unambiguous semidirect productC11⋊D747
unambiguous semidirect productC83⋊D99

Splittings

Fitting, derived, HallC9×C11×C83 ⋊ C2
HallC11×C83 ⋊ D9
HallC9×C83 ⋊ D11
HallC9×C11 ⋊ D83
SylowC83 ⋊ D99
SylowC11 ⋊ D747
SylowC9 ⋊ D913

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C11×C83C2
FrattiniC3D2739
socleC3×C11×C83D3
LCSG ▷ C9×C11×C83
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 103
transitive degreeμt(G) = 8217

A minimal faithful permutation representation — 2 generators on 103 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);(2,9)(3,8)(4,7)(5,6)(11,20)(12,19)(13,18)(14,17)(15,16)(22,103)(23,102)(24,101)(25,100)(26,99)(27,98)(28,97)(29,96)(30,95)(31,94)(32,93)(33,92)(34,91)(35,90)(36,89)(37,88)(38,87)(39,86)(40,85)(41,84)(42,83)(43,82)(44,81)(45,80)(46,79)(47,78)(48,77)(49,76)(50,75)(51,74)(52,73)(53,72)(54,71)(55,70)(56,69)(57,68)(58,67)(59,66)(60,65)(61,64)(62,63)

Polycyclic presentation:

2,3,11,83,3|b^3=e^2,b^a=b^2e,c^a=c^10,d^a=d^82,e^a=e^2

Conjugacy classes & character table

4110 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD83×D99, D11×D747, D9×D913, …
maximal normal subgroup ofD83×D99, D11×D747, D9×D913, …
maximal quotient ofDic8217, C2×D8217, D24651

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16434, 8);