Finite Group Databasebeta

D7869 #30628676

order15738
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD7869
unambiguous semidirect productC3⋊D2623
unambiguous semidirect productC43⋊D183
unambiguous semidirect productC61⋊D129

Splittings

Fitting, socle, derived, HallC3×C43×C61 ⋊ C2
HallC43×C61 ⋊ D3
HallC3×C61 ⋊ D43
HallC3×C43 ⋊ D61
SylowC61 ⋊ D129
SylowC43 ⋊ D183
SylowC3 ⋊ D2623

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C43×C61C2
LCSG ▷ C3×C43×C61
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 107
transitive degreeμt(G) = 7869

A minimal faithful permutation representation — 2 generators on 107 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);(2,3)(5,46)(6,45)(7,44)(8,43)(9,42)(10,41)(11,40)(12,39)(13,38)(14,37)(15,36)(16,35)(17,34)(18,33)(19,32)(20,31)(21,30)(22,29)(23,28)(24,27)(25,26)(48,107)(49,106)(50,105)(51,104)(52,103)(53,102)(54,101)(55,100)(56,99)(57,98)(58,97)(59,96)(60,95)(61,94)(62,93)(63,92)(64,91)(65,90)(66,89)(67,88)(68,87)(69,86)(70,85)(71,84)(72,83)(73,82)(74,81)(75,80)(76,79)(77,78)

Polycyclic presentation:

2,3,43,61|b^a=b^2,c^a=c^42,d^a=d^60

Conjugacy classes & character table

3936 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD61×D129, D43×D183, D3×D2623, …
maximal normal subgroup ofD61×D129, D43×D183, D3×D2623, …
maximal quotient ofDic7869, C2×D7869

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15738, 12);