Finite Group Databasebeta

C2×D4155 #30658975

order16620
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD8310
direct productC2×D4155
unambiguous semidirect product(C2×C3)⋊D1385
unambiguous semidirect product(C2×C5)⋊D831
unambiguous semidirect product(C2×C277)⋊D15

Splittings

Fitting, socleC2×C3×C5×C277 ⋊ C2
derived, HallC3×C5×C277 ⋊ C22
HallC5×C277 ⋊ C2×D3
HallC3×C277 ⋊ C2×D5
SylowC277 ⋊ C2×D15
HallC3×C5 ⋊ C2×D277
SylowC5 ⋊ C2×D831
SylowC3 ⋊ C2×D1385

Subgroups

subgroupG/H
center, hypercenterC2D4155
commutator, cosocle, hypocenterC3×C5×C277C22
FrattiniC1G
Fitting, socleC2×C3×C5×C277C2
LCSG ▷ C3×C5×C277
UCSC1 ◁ C2

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 287
transitive degreeμt(G) = 8310

A minimal faithful permutation representation — 2 generators on 287 points:

(1,2)(3,4,5)(6,7,8,9,10)(11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287);(4,5)(7,10)(8,9)(12,287)(13,286)(14,285)(15,284)(16,283)(17,282)(18,281)(19,280)(20,279)(21,278)(22,277)(23,276)(24,275)(25,274)(26,273)(27,272)(28,271)(29,270)(30,269)(31,268)(32,267)(33,266)(34,265)(35,264)(36,263)(37,262)(38,261)(39,260)(40,259)(41,258)(42,257)(43,256)(44,255)(45,254)(46,253)(47,252)(48,251)(49,250)(50,249)(51,248)(52,247)(53,246)(54,245)(55,244)(56,243)(57,242)(58,241)(59,240)(60,239)(61,238)(62,237)(63,236)(64,235)(65,234)(66,233)(67,232)(68,231)(69,230)(70,229)(71,228)(72,227)(73,226)(74,225)(75,224)(76,223)(77,222)(78,221)(79,220)(80,219)(81,218)(82,217)(83,216)(84,215)(85,214)(86,213)(87,212)(88,211)(89,210)(90,209)(91,208)(92,207)(93,206)(94,205)(95,204)(96,203)(97,202)(98,201)(99,200)(100,199)(101,198)(102,197)(103,196)(104,195)(105,194)(106,193)(107,192)(108,191)(109,190)(110,189)(111,188)(112,187)(113,186)(114,185)(115,184)(116,183)(117,182)(118,181)(119,180)(120,179)(121,178)(122,177)(123,176)(124,175)(125,174)(126,173)(127,172)(128,171)(129,170)(130,169)(131,168)(132,167)(133,166)(134,165)(135,164)(136,163)(137,162)(138,161)(139,160)(140,159)(141,158)(142,157)(143,156)(144,155)(145,154)(146,153)(147,152)(148,151)(149,150)

Conjugacy classes & character table

4158 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD16620
maximal normal subgroup ofD16620
maximal quotient ofDic8310, D16620

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16620, 46);