Finite Group Databasebeta

C2×D6495 #39906978

order25980
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD12990
direct productC2×D6495
unambiguous semidirect product(C2×C3)⋊D2165
unambiguous semidirect product(C2×C5)⋊D1299
unambiguous semidirect product(C2×C433)⋊D15

Splittings

Fitting, socleC2×C3×C5×C433 ⋊ C2
derived, HallC3×C5×C433 ⋊ C22
HallC5×C433 ⋊ C2×D3
HallC3×C433 ⋊ C2×D5
SylowC433 ⋊ C2×D15
HallC3×C5 ⋊ C2×D433
SylowC5 ⋊ C2×D1299
SylowC3 ⋊ C2×D2165

Subgroups

subgroupG/H
center, hypercenterC2D6495
commutator, cosocle, hypocenterC3×C5×C433C22
FrattiniC1G
Fitting, socleC2×C3×C5×C433C2
LCSG ▷ C3×C5×C433
UCSC1 ◁ C2

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 443
transitive degreeμt(G) = 12990

A minimal faithful permutation representation — 2 generators on 443 points:

(1,2)(3,4,5)(6,7,8,9,10)(11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326,327,328,329,330,331,332,333,334,335,336,337,338,339,340,341,342,343,344,345,346,347,348,349,350,351,352,353,354,355,356,357,358,359,360,361,362,363,364,365,366,367,368,369,370,371,372,373,374,375,376,377,378,379,380,381,382,383,384,385,386,387,388,389,390,391,392,393,394,395,396,397,398,399,400,401,402,403,404,405,406,407,408,409,410,411,412,413,414,415,416,417,418,419,420,421,422,423,424,425,426,427,428,429,430,431,432,433,434,435,436,437,438,439,440,441,442,443);(4,5)(7,10)(8,9)(12,443)(13,442)(14,441)(15,440)(16,439)(17,438)(18,437)(19,436)(20,435)(21,434)(22,433)(23,432)(24,431)(25,430)(26,429)(27,428)(28,427)(29,426)(30,425)(31,424)(32,423)(33,422)(34,421)(35,420)(36,419)(37,418)(38,417)(39,416)(40,415)(41,414)(42,413)(43,412)(44,411)(45,410)(46,409)(47,408)(48,407)(49,406)(50,405)(51,404)(52,403)(53,402)(54,401)(55,400)(56,399)(57,398)(58,397)(59,396)(60,395)(61,394)(62,393)(63,392)(64,391)(65,390)(66,389)(67,388)(68,387)(69,386)(70,385)(71,384)(72,383)(73,382)(74,381)(75,380)(76,379)(77,378)(78,377)(79,376)(80,375)(81,374)(82,373)(83,372)(84,371)(85,370)(86,369)(87,368)(88,367)(89,366)(90,365)(91,364)(92,363)(93,362)(94,361)(95,360)(96,359)(97,358)(98,357)(99,356)(100,355)(101,354)(102,353)(103,352)(104,351)(105,350)(106,349)(107,348)(108,347)(109,346)(110,345)(111,344)(112,343)(113,342)(114,341)(115,340)(116,339)(117,338)(118,337)(119,336)(120,335)(121,334)(122,333)(123,332)(124,331)(125,330)(126,329)(127,328)(128,327)(129,326)(130,325)(131,324)(132,323)(133,322)(134,321)(135,320)(136,319)(137,318)(138,317)(139,316)(140,315)(141,314)(142,313)(143,312)(144,311)(145,310)(146,309)(147,308)(148,307)(149,306)(150,305)(151,304)(152,303)(153,302)(154,301)(155,300)(156,299)(157,298)(158,297)(159,296)(160,295)(161,294)(162,293)(163,292)(164,291)(165,290)(166,289)(167,288)(168,287)(169,286)(170,285)(171,284)(172,283)(173,282)(174,281)(175,280)(176,279)(177,278)(178,277)(179,276)(180,275)(181,274)(182,273)(183,272)(184,271)(185,270)(186,269)(187,268)(188,267)(189,266)(190,265)(191,264)(192,263)(193,262)(194,261)(195,260)(196,259)(197,258)(198,257)(199,256)(200,255)(201,254)(202,253)(203,252)(204,251)(205,250)(206,249)(207,248)(208,247)(209,246)(210,245)(211,244)(212,243)(213,242)(214,241)(215,240)(216,239)(217,238)(218,237)(219,236)(220,235)(221,234)(222,233)(223,232)(224,231)(225,230)(226,229)(227,228)

Conjugacy classes & character table

6498 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD25980
maximal normal subgroup ofD25980
maximal quotient ofDic12990, D25980

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25980, 52);