Finite Group Databasebeta

C2×D4719 #34038358

order18876
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD9438
direct productC2×D4719
unambiguous semidirect product(C2×C3)⋊D1573
unambiguous semidirect product(C2×C13)⋊D363
unambiguous semidirect product(C2×C121)⋊D39

Splittings

FittingC2×C3×C13×C121 ⋊ C2
derived, HallC3×C13×C121 ⋊ C22
HallC13×C121 ⋊ C2×D3
HallC3×C121 ⋊ C2×D13
SylowC121 ⋊ C2×D39
HallC3×C13 ⋊ C2×D121
SylowC13 ⋊ C2×D363
SylowC3 ⋊ C2×D1573

Subgroups

subgroupG/H
center, hypercenterC2D4719
commutator, cosocle, hypocenterC3×C13×C121C22
FrattiniC11C2×D429
FittingC2×C3×C13×C121C2
socleC2×C3×C11×C13D11
LCSG ▷ C3×C13×C121
UCSC1 ◁ C2

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 139
transitive degreeμt(G) = 9438

A minimal faithful permutation representation — 2 generators on 139 points:

(1,2)(3,4,5)(6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126)(127,128,129,130,131,132,133,134,135,136,137,138,139);(4,5)(7,126)(8,125)(9,124)(10,123)(11,122)(12,121)(13,120)(14,119)(15,118)(16,117)(17,116)(18,115)(19,114)(20,113)(21,112)(22,111)(23,110)(24,109)(25,108)(26,107)(27,106)(28,105)(29,104)(30,103)(31,102)(32,101)(33,100)(34,99)(35,98)(36,97)(37,96)(38,95)(39,94)(40,93)(41,92)(42,91)(43,90)(44,89)(45,88)(46,87)(47,86)(48,85)(49,84)(50,83)(51,82)(52,81)(53,80)(54,79)(55,78)(56,77)(57,76)(58,75)(59,74)(60,73)(61,72)(62,71)(63,70)(64,69)(65,68)(66,67)(128,139)(129,138)(130,137)(131,136)(132,135)(133,134)

Conjugacy classes & character table

4722 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD18876, C2×D14157
maximal normal subgroup ofD18876
maximal quotient ofDic9438, D18876, C2×D14157

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18876, 40);