Finite Group Databasebeta

D1043 #14523445

order2086
isoclinismisoclinic class of D1043
automorphismAut(G) order 926184
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD1043
unambiguous semidirect productC7⋊D149
unambiguous semidirect productC149⋊D7

Splittings

Fitting, socle, derived, HallC7×C149 ⋊ C2
SylowC149 ⋊ D7
SylowC7 ⋊ D149

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C149C2
LCSG ▷ C7×C149
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 156
transitive degreeμt(G) = 1043

A minimal faithful permutation representation — 2 generators on 156 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);(2,7)(3,6)(4,5)(9,156)(10,155)(11,154)(12,153)(13,152)(14,151)(15,150)(16,149)(17,148)(18,147)(19,146)(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)

Polycyclic presentation:

2,7,149|b^a=b^6,c^a=c^148

Conjugacy classes & character table

523 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×D149, C2×D1043, D7301, …
maximal normal subgroup ofD7×D149, C2×D1043, C7×D1043, …
maximal quotient ofDic1043, C2×D1043, D7301, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2086, 3);