Finite Group Databasebeta

C2×D4245 #30684168

order16980
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD8490
direct productC2×D4245
unambiguous semidirect product(C2×C3)⋊D1415
unambiguous semidirect product(C2×C5)⋊D849
unambiguous semidirect product(C2×C283)⋊D15

Splittings

Fitting, socleC2×C3×C5×C283 ⋊ C2
derived, HallC3×C5×C283 ⋊ C22
HallC5×C283 ⋊ C2×D3
HallC3×C283 ⋊ C2×D5
SylowC283 ⋊ C2×D15
HallC3×C5 ⋊ C2×D283
SylowC5 ⋊ C2×D849
SylowC3 ⋊ C2×D1415

Subgroups

subgroupG/H
center, hypercenterC2D4245
commutator, cosocle, hypocenterC3×C5×C283C22
FrattiniC1G
Fitting, socleC2×C3×C5×C283C2
LCSG ▷ C3×C5×C283
UCSC1 ◁ C2

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 293
transitive degreeμt(G) = 8490

A minimal faithful permutation representation — 2 generators on 293 points:

(1,2)(3,4,5)(6,7,8,9,10)(11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293);(4,5)(7,10)(8,9)(12,293)(13,292)(14,291)(15,290)(16,289)(17,288)(18,287)(19,286)(20,285)(21,284)(22,283)(23,282)(24,281)(25,280)(26,279)(27,278)(28,277)(29,276)(30,275)(31,274)(32,273)(33,272)(34,271)(35,270)(36,269)(37,268)(38,267)(39,266)(40,265)(41,264)(42,263)(43,262)(44,261)(45,260)(46,259)(47,258)(48,257)(49,256)(50,255)(51,254)(52,253)(53,252)(54,251)(55,250)(56,249)(57,248)(58,247)(59,246)(60,245)(61,244)(62,243)(63,242)(64,241)(65,240)(66,239)(67,238)(68,237)(69,236)(70,235)(71,234)(72,233)(73,232)(74,231)(75,230)(76,229)(77,228)(78,227)(79,226)(80,225)(81,224)(82,223)(83,222)(84,221)(85,220)(86,219)(87,218)(88,217)(89,216)(90,215)(91,214)(92,213)(93,212)(94,211)(95,210)(96,209)(97,208)(98,207)(99,206)(100,205)(101,204)(102,203)(103,202)(104,201)(105,200)(106,199)(107,198)(108,197)(109,196)(110,195)(111,194)(112,193)(113,192)(114,191)(115,190)(116,189)(117,188)(118,187)(119,186)(120,185)(121,184)(122,183)(123,182)(124,181)(125,180)(126,179)(127,178)(128,177)(129,176)(130,175)(131,174)(132,173)(133,172)(134,171)(135,170)(136,169)(137,168)(138,167)(139,166)(140,165)(141,164)(142,163)(143,162)(144,161)(145,160)(146,159)(147,158)(148,157)(149,156)(150,155)(151,154)(152,153)

Conjugacy classes & character table

4248 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD16980, C2×D12735
maximal normal subgroup ofD16980
maximal quotient ofDic8490, D16980, C2×D12735

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16980, 34);