Finite Group Databasebeta

C2×D4953 #34090485

order19812
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD9906
direct productC2×D4953
unambiguous semidirect product(C2×C3)⋊D1651
unambiguous semidirect product(C2×C13)⋊D381
unambiguous semidirect product(C2×C127)⋊D39

Splittings

Fitting, socleC2×C3×C13×C127 ⋊ C2
derived, HallC3×C13×C127 ⋊ C22
HallC13×C127 ⋊ C2×D3
HallC3×C127 ⋊ C2×D13
SylowC127 ⋊ C2×D39
HallC3×C13 ⋊ C2×D127
SylowC13 ⋊ C2×D381
SylowC3 ⋊ C2×D1651

Subgroups

subgroupG/H
center, hypercenterC2D4953
commutator, cosocle, hypocenterC3×C13×C127C22
FrattiniC1G
Fitting, socleC2×C3×C13×C127C2
LCSG ▷ C3×C13×C127
UCSC1 ◁ C2

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 145
transitive degreeμt(G) = 9906

A minimal faithful permutation representation — 2 generators on 145 points:

(1,2)(3,4,5)(6,7,8,9,10,11,12,13,14,15,16,17,18)(19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145);(4,5)(7,18)(8,17)(9,16)(10,15)(11,14)(12,13)(20,145)(21,144)(22,143)(23,142)(24,141)(25,140)(26,139)(27,138)(28,137)(29,136)(30,135)(31,134)(32,133)(33,132)(34,131)(35,130)(36,129)(37,128)(38,127)(39,126)(40,125)(41,124)(42,123)(43,122)(44,121)(45,120)(46,119)(47,118)(48,117)(49,116)(50,115)(51,114)(52,113)(53,112)(54,111)(55,110)(56,109)(57,108)(58,107)(59,106)(60,105)(61,104)(62,103)(63,102)(64,101)(65,100)(66,99)(67,98)(68,97)(69,96)(70,95)(71,94)(72,93)(73,92)(74,91)(75,90)(76,89)(77,88)(78,87)(79,86)(80,85)(81,84)(82,83)

Conjugacy classes & character table

4956 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD19812, C2×D14859
maximal normal subgroup ofD19812
maximal quotient ofDic9906, D19812, C2×D14859

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19812, 70);