Finite Group Databasebeta

C2×D8757 #46856022

order35028
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD17514
direct productC2×D8757
unambiguous semidirect product(C2×C7)⋊D1251
unambiguous semidirect product(C2×C9)⋊D973
unambiguous semidirect product(C2×C139)⋊D63

Splittings

FittingC2×C7×C9×C139 ⋊ C2
derived, HallC7×C9×C139 ⋊ C22
HallC9×C139 ⋊ C2×D7
HallC7×C139 ⋊ C2×D9
SylowC139 ⋊ C2×D63
HallC7×C9 ⋊ C2×D139
SylowC9 ⋊ C2×D973
SylowC7 ⋊ C2×D1251

Subgroups

subgroupG/H
center, hypercenterC2D8757
commutator, cosocle, hypocenterC7×C9×C139C22
FrattiniC3C2×D2919
FittingC2×C7×C9×C139C2
socleC2×C3×C7×C139D3
LCSG ▷ C7×C9×C139
UCSC1 ◁ C2

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 157
transitive degreeμt(G) = 17514

A minimal faithful permutation representation — 2 generators on 157 points:

(1,2)(3,4,5,6,7,8,9,10,11)(12,13,14,15,16,17,18)(19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157);(4,11)(5,10)(6,9)(7,8)(13,18)(14,17)(15,16)(20,157)(21,156)(22,155)(23,154)(24,153)(25,152)(26,151)(27,150)(28,149)(29,148)(30,147)(31,146)(32,145)(33,144)(34,143)(35,142)(36,141)(37,140)(38,139)(39,138)(40,137)(41,136)(42,135)(43,134)(44,133)(45,132)(46,131)(47,130)(48,129)(49,128)(50,127)(51,126)(52,125)(53,124)(54,123)(55,122)(56,121)(57,120)(58,119)(59,118)(60,117)(61,116)(62,115)(63,114)(64,113)(65,112)(66,111)(67,110)(68,109)(69,108)(70,107)(71,106)(72,105)(73,104)(74,103)(75,102)(76,101)(77,100)(78,99)(79,98)(80,97)(81,96)(82,95)(83,94)(84,93)(85,92)(86,91)(87,90)(88,89)

Conjugacy classes & character table

8760 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(35028, 58);