Finite Group Databasebeta

D7659 #29506176

order15318
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD7659
unambiguous semidirect productC9⋊D851
unambiguous semidirect productC23⋊D333
unambiguous semidirect productC37⋊D207

Splittings

Fitting, derived, HallC9×C23×C37 ⋊ C2
HallC23×C37 ⋊ D9
HallC9×C37 ⋊ D23
HallC9×C23 ⋊ D37
SylowC37 ⋊ D207
SylowC23 ⋊ D333
SylowC9 ⋊ D851

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C23×C37C2
FrattiniC3D2553
socleC3×C23×C37D3
LCSG ▷ C9×C23×C37
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 69
transitive degreeμt(G) = 7659

A minimal faithful permutation representation — 2 generators on 69 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);(2,9)(3,8)(4,7)(5,6)(11,32)(12,31)(13,30)(14,29)(15,28)(16,27)(17,26)(18,25)(19,24)(20,23)(21,22)(34,69)(35,68)(36,67)(37,66)(38,65)(39,64)(40,63)(41,62)(42,61)(43,60)(44,59)(45,58)(46,57)(47,56)(48,55)(49,54)(50,53)(51,52)

Polycyclic presentation:

2,3,23,37,3|b^3=e^2,b^a=b^2e,c^a=c^22,d^a=d^36,e^a=e^2

Conjugacy classes & character table

3831 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD37×D207, D23×D333, D9×D851, …
maximal normal subgroup ofD37×D207, D23×D333, D9×D851, …
maximal quotient ofDic7659, C2×D7659, D22977

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15318, 9);