Finite Group Databasebeta

D8393 #30680941

order16786
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD8393
unambiguous semidirect productC7⋊D1199
unambiguous semidirect productC11⋊D763
unambiguous semidirect productC109⋊D77

Splittings

Fitting, socle, derived, HallC7×C11×C109 ⋊ C2
HallC11×C109 ⋊ D7
HallC7×C109 ⋊ D11
SylowC109 ⋊ D77
HallC7×C11 ⋊ D109
SylowC11 ⋊ D763
SylowC7 ⋊ D1199

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C11×C109C2
LCSG ▷ C7×C11×C109
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 127
transitive degreeμt(G) = 8393

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

Polycyclic presentation:

2,7,11,109|b^a=b^6,c^a=c^10,d^a=d^108

Conjugacy classes & character table

4198 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD77×D109, D11×D763, D7×D1199, …
maximal normal subgroup ofD77×D109, D11×D763, D7×D1199, …
maximal quotient ofDic8393, C2×D8393

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16786, 8);