Finite Group Databasebeta

C2×D1043 #16861992

order4172
automorphismAut(G) order 1852368
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD2086
direct productC2×D1043
unambiguous semidirect product(C2×C7)⋊D149
unambiguous semidirect product(C2×C149)⋊D7

Splittings

Fitting, socleC2×C7×C149 ⋊ C2
derived, HallC7×C149 ⋊ C22
SylowC149 ⋊ C2×D7
SylowC7 ⋊ C2×D149

Subgroups

subgroupG/H
center, hypercenterC2D1043
commutator, cosocle, hypocenterC7×C149C22
FrattiniC1G
Fitting, socleC2×C7×C149C2
LCSG ▷ C7×C149
UCSC1 ◁ C2

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 158
transitive degreeμt(G) = 2086

A minimal faithful permutation representation — 2 generators on 158 points:

(1,2)(3,4,5,6,7,8,9)(10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158);(4,9)(5,8)(6,7)(11,158)(12,157)(13,156)(14,155)(15,154)(16,153)(17,152)(18,151)(19,150)(20,149)(21,148)(22,147)(23,146)(24,145)(25,144)(26,143)(27,142)(28,141)(29,140)(30,139)(31,138)(32,137)(33,136)(34,135)(35,134)(36,133)(37,132)(38,131)(39,130)(40,129)(41,128)(42,127)(43,126)(44,125)(45,124)(46,123)(47,122)(48,121)(49,120)(50,119)(51,118)(52,117)(53,116)(54,115)(55,114)(56,113)(57,112)(58,111)(59,110)(60,109)(61,108)(62,107)(63,106)(64,105)(65,104)(66,103)(67,102)(68,101)(69,100)(70,99)(71,98)(72,97)(73,96)(74,95)(75,94)(76,93)(77,92)(78,91)(79,90)(80,89)(81,88)(82,87)(83,86)(84,85)

Conjugacy classes & character table

1046 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×ΓL(1,𝔽8)⋊D149, D3×D1043, C2×D3129, …
maximal normal subgroup ofC2×ΓL(1,𝔽8)⋊D149, C2×C3×D1043, C2×C5×D1043, …
maximal quotient ofD3×D1043, C2×D3129, C2×C3×D1043, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4172, 9);