Finite Group Databasebeta

C2×D6969 #42124160

order27876
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD13938
direct productC2×D6969
unambiguous semidirect product(C2×C3)⋊D2323
unambiguous semidirect product(C2×C23)⋊D303
unambiguous semidirect product(C2×C101)⋊D69

Splittings

Fitting, socleC2×C3×C23×C101 ⋊ C2
derived, HallC3×C23×C101 ⋊ C22
HallC23×C101 ⋊ C2×D3
HallC3×C101 ⋊ C2×D23
SylowC101 ⋊ C2×D69
HallC3×C23 ⋊ C2×D101
SylowC23 ⋊ C2×D303
SylowC3 ⋊ C2×D2323

Subgroups

subgroupG/H
center, hypercenterC2D6969
commutator, cosocle, hypocenterC3×C23×C101C22
FrattiniC1G
Fitting, socleC2×C3×C23×C101C2
LCSG ▷ C3×C23×C101
UCSC1 ◁ C2

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 129
transitive degreeμt(G) = 13938

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

Conjugacy classes & character table

6972 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD27876
maximal normal subgroup ofD27876
maximal quotient ofDic13938, D27876

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(27876, 28);