Finite Group Databasebeta

D657 #13050268

order1314
isoclinismisoclinic class of D657
automorphismAut(G) order 283824
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD657
unambiguous semidirect productC9⋊D73
unambiguous semidirect productC73⋊D9

Splittings

Fitting, derived, HallC9×C73 ⋊ C2
SylowC73 ⋊ D9
SylowC9 ⋊ D73

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C73C2
FrattiniC3D219
socleC3×C73D3
LCSG ▷ C9×C73
UCSC1

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 82
transitive degreeμt(G) = 657

A minimal faithful permutation representation — 2 generators on 82 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);(2,9)(3,8)(4,7)(5,6)(11,82)(12,81)(13,80)(14,79)(15,78)(16,77)(17,76)(18,75)(19,74)(20,73)(21,72)(22,71)(23,70)(24,69)(25,68)(26,67)(27,66)(28,65)(29,64)(30,63)(31,62)(32,61)(33,60)(34,59)(35,58)(36,57)(37,56)(38,55)(39,54)(40,53)(41,52)(42,51)(43,50)(44,49)(45,48)(46,47)

Polycyclic presentation:

2,3,73,3|b^3=d^2,b^a=b^2d,c^a=c^72,d^a=d^2

Conjugacy classes & character table

330 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD9×D73, C2×D657, C11×D657, …
maximal normal subgroup ofD9×D73, C2×D657, C11×D657, …
maximal quotient ofDic657, C2×D657, C11×D657, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1314, 5);