Finite Group Databasebeta

C2×D4165 #30659397

order16660
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD8330
direct productC2×D4165
unambiguous semidirect product(C2×C5)⋊D833
unambiguous semidirect product(C2×C17)⋊D245
unambiguous semidirect product(C2×C49)⋊D85

Splittings

FittingC2×C5×C17×C49 ⋊ C2
derived, HallC5×C17×C49 ⋊ C22
HallC17×C49 ⋊ C2×D5
HallC5×C49 ⋊ C2×D17
HallC5×C17 ⋊ C2×D49
SylowC49 ⋊ C2×D85
SylowC17 ⋊ C2×D245
SylowC5 ⋊ C2×D833

Subgroups

subgroupG/H
center, hypercenterC2D4165
commutator, cosocle, hypocenterC5×C17×C49C22
FrattiniC7C2×D595
FittingC2×C5×C17×C49C2
socleC2×C5×C7×C17D7
LCSG ▷ C5×C17×C49
UCSC1 ◁ C2

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 73
transitive degreeμt(G) = 8330

A minimal faithful permutation representation — 2 generators on 73 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);(4,7)(5,6)(9,56)(10,55)(11,54)(12,53)(13,52)(14,51)(15,50)(16,49)(17,48)(18,47)(19,46)(20,45)(21,44)(22,43)(23,42)(24,41)(25,40)(26,39)(27,38)(28,37)(29,36)(30,35)(31,34)(32,33)(58,73)(59,72)(60,71)(61,70)(62,69)(63,68)(64,67)(65,66)

Conjugacy classes & character table

4168 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD16660
maximal normal subgroup ofD16660
maximal quotient ofDic8330, D16660

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16660, 29);