Finite Group Databasebeta

C2×D7999 #44544607

order31996
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD15998
direct productC2×D7999
unambiguous semidirect product(C2×C19)⋊D421
unambiguous semidirect product(C2×C421)⋊D19

Splittings

Fitting, socleC2×C19×C421 ⋊ C2
derived, HallC19×C421 ⋊ C22
SylowC421 ⋊ C2×D19
SylowC19 ⋊ C2×D421

Subgroups

subgroupG/H
center, hypercenterC2D7999
commutator, cosocle, hypocenterC19×C421C22
FrattiniC1G
Fitting, socleC2×C19×C421C2
LCSG ▷ C19×C421
UCSC1 ◁ C2

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 442
transitive degreeμt(G) = 15998

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

Conjugacy classes & character table

8002 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD31996
maximal normal subgroup ofD31996
maximal quotient ofDic15998, D31996

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31996, 11);