Finite Group Databasebeta

D6643 #27210787

order13286
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD6643
unambiguous semidirect productC7⋊D949
unambiguous semidirect productC13⋊D511
unambiguous semidirect productC73⋊D91

Splittings

Fitting, socle, derived, HallC7×C13×C73 ⋊ C2
HallC13×C73 ⋊ D7
HallC7×C73 ⋊ D13
HallC7×C13 ⋊ D73
SylowC73 ⋊ D91
SylowC13 ⋊ D511
SylowC7 ⋊ D949

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C13×C73C2
LCSG ▷ C7×C13×C73
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 93
transitive degreeμt(G) = 6643

A minimal faithful permutation representation — 2 generators on 93 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);(2,7)(3,6)(4,5)(9,20)(10,19)(11,18)(12,17)(13,16)(14,15)(22,93)(23,92)(24,91)(25,90)(26,89)(27,88)(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:

2,7,13,73|b^a=b^6,c^a=c^12,d^a=d^72

Conjugacy classes & character table

3323 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD73×D91, D13×D511, D7×D949, …
maximal normal subgroup ofD73×D91, D13×D511, D7×D949, …
maximal quotient ofDic6643, C2×D6643

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(13286, 8);