Finite Group Databasebeta

D632 #11929610

order1264
automorphismAut(G) order 197184
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD632

Splittings

FittingC8×C79 ⋊ C2
SylowC79 ⋊ D8

Subgroups

subgroupG/H
centerC2D316
commutator, cosocleC4×C79C22
FrattiniC4C2×D79
FittingC8×C79C2
socleC2×C79D4
hypercenterC8D79
hypocenterC79D8
LCSG ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2 ◁ C4 ◁ C8

22 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 87
transitive degreeμt(G) = 632

A minimal faithful permutation representation — 2 generators on 87 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);(2,8)(3,7)(4,6)(10,87)(11,86)(12,85)(13,84)(14,83)(15,82)(16,81)(17,80)(18,79)(19,78)(20,77)(21,76)(22,75)(23,74)(24,73)(25,72)(26,71)(27,70)(28,69)(29,68)(30,67)(31,66)(32,65)(33,64)(34,63)(35,62)(36,61)(37,60)(38,59)(39,58)(40,57)(41,56)(42,55)(43,54)(44,53)(45,52)(46,51)(47,50)(48,49)

Polycyclic presentation:

2^4,79|c^2=d,b^a=bc,c^a=cd,e^a=e^78,c^b=cd,e^b=e^78

Conjugacy classes & character table

319 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#14579102, D1264, #14579104, …
maximal normal subgroup of#14579102, D1264, #14579104, …
maximal quotient of#14579083, #14579095, D1264, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1264, 26);