Finite Group Databasebeta

C2×D7771 #44527252

order31084
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD15542
direct productC2×D7771
unambiguous semidirect product(C2×C19)⋊D409
unambiguous semidirect product(C2×C409)⋊D19

Splittings

Fitting, socleC2×C19×C409 ⋊ C2
derived, HallC19×C409 ⋊ C22
SylowC409 ⋊ C2×D19
SylowC19 ⋊ C2×D409

Subgroups

subgroupG/H
center, hypercenterC2D7771
commutator, cosocle, hypocenterC19×C409C22
FrattiniC1G
Fitting, socleC2×C19×C409C2
LCSG ▷ C19×C409
UCSC1 ◁ C2

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 430
transitive degreeμt(G) = 15542

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

Conjugacy classes & character table

7774 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD31084
maximal normal subgroup ofD31084
maximal quotient ofDic15542, D31084

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31084, 11);