Finite Group Databasebeta

D804 #13107988

order1608
automorphismAut(G) order 212256
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD804
unambiguous semidirect productC4⋊D201

Splittings

FittingC3×C4×C67 ⋊ C2
HallC3×C67 ⋊ D4
SylowC67 ⋊ D12
SylowC3 ⋊ D268

Subgroups

subgroupG/H
center, FrattiniC2C2×D201
commutator, socle, cosocleC2×C3×C67C22
FittingC3×C4×C67C2
hypercenterC4D201
hypocenterC3×C67D4
LCSG ▷ C2×C3×C67 ▷ C3×C67
UCSC1 ◁ C2 ◁ C4

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 74
transitive degreeμt(G) = 804

A minimal faithful permutation representation — 2 generators on 74 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);(2,4)(6,7)(9,74)(10,73)(11,72)(12,71)(13,70)(14,69)(15,68)(16,67)(17,66)(18,65)(19,64)(20,63)(21,62)(22,61)(23,60)(24,59)(25,58)(26,57)(27,56)(28,55)(29,54)(30,53)(31,52)(32,51)(33,50)(34,49)(35,48)(36,47)(37,46)(38,45)(39,44)(40,43)(41,42)

Polycyclic presentation:

2^3,3,67|b^2=c,b^a=bc,d^a=d^2,e^a=e^66

Conjugacy classes & character table

405 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD1608, D2412, D4020, …
maximal normal subgroup ofD1608
maximal quotient ofD1608, D2412, Dic804, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1608, 36);