Finite Group Databasebeta

C2×D7119 #43249795

order28476
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD14238
direct productC2×D7119
unambiguous semidirect product(C2×C7)⋊D1017
unambiguous semidirect product(C2×C9)⋊D791
unambiguous semidirect product(C2×C113)⋊D63

Splittings

FittingC2×C7×C9×C113 ⋊ C2
derived, HallC7×C9×C113 ⋊ C22
HallC9×C113 ⋊ C2×D7
HallC7×C113 ⋊ C2×D9
SylowC113 ⋊ C2×D63
HallC7×C9 ⋊ C2×D113
SylowC9 ⋊ C2×D791
SylowC7 ⋊ C2×D1017

Subgroups

subgroupG/H
center, hypercenterC2D7119
commutator, cosocle, hypocenterC7×C9×C113C22
FrattiniC3C2×D2373
FittingC2×C7×C9×C113C2
socleC2×C3×C7×C113D3
LCSG ▷ C7×C9×C113
UCSC1 ◁ C2

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 131
transitive degreeμt(G) = 14238

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

Conjugacy classes & character table

7122 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD28476
maximal normal subgroup ofD28476
maximal quotient ofDic14238, D28476

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28476, 46);