Finite Group Databasebeta

D843 #13133003

order1686
isoclinismisoclinic class of D843
automorphismAut(G) order 472080
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD843
unambiguous semidirect productC3⋊D281
unambiguous semidirect productC281⋊D3

Splittings

Fitting, socle, derived, HallC3×C281 ⋊ C2
SylowC281 ⋊ D3
SylowC3 ⋊ D281

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C281C2
LCSG ▷ C3×C281
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 284
transitive degreeμt(G) = 843

A minimal faithful permutation representation — 2 generators on 284 points:

(1,2,3)(4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284);(2,3)(5,284)(6,283)(7,282)(8,281)(9,280)(10,279)(11,278)(12,277)(13,276)(14,275)(15,274)(16,273)(17,272)(18,271)(19,270)(20,269)(21,268)(22,267)(23,266)(24,265)(25,264)(26,263)(27,262)(28,261)(29,260)(30,259)(31,258)(32,257)(33,256)(34,255)(35,254)(36,253)(37,252)(38,251)(39,250)(40,249)(41,248)(42,247)(43,246)(44,245)(45,244)(46,243)(47,242)(48,241)(49,240)(50,239)(51,238)(52,237)(53,236)(54,235)(55,234)(56,233)(57,232)(58,231)(59,230)(60,229)(61,228)(62,227)(63,226)(64,225)(65,224)(66,223)(67,222)(68,221)(69,220)(70,219)(71,218)(72,217)(73,216)(74,215)(75,214)(76,213)(77,212)(78,211)(79,210)(80,209)(81,208)(82,207)(83,206)(84,205)(85,204)(86,203)(87,202)(88,201)(89,200)(90,199)(91,198)(92,197)(93,196)(94,195)(95,194)(96,193)(97,192)(98,191)(99,190)(100,189)(101,188)(102,187)(103,186)(104,185)(105,184)(106,183)(107,182)(108,181)(109,180)(110,179)(111,178)(112,177)(113,176)(114,175)(115,174)(116,173)(117,172)(118,171)(119,170)(120,169)(121,168)(122,167)(123,166)(124,165)(125,164)(126,163)(127,162)(128,161)(129,160)(130,159)(131,158)(132,157)(133,156)(134,155)(135,154)(136,153)(137,152)(138,151)(139,150)(140,149)(141,148)(142,147)(143,146)(144,145)

Polycyclic presentation:

2,3,281|b^a=b^2,c^a=c^280

Conjugacy classes & character table

423 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD3×D281, C2×D843, C7×D843, …
maximal normal subgroup ofD3×D281, C2×D843, C7×D843, …
maximal quotient ofDic843, C2×D843, C7×D843, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1686, 3);