C₂×D₁₃₉₄₃ #72291202

order	55772
automorphism	?
homology	Abelianization (H₁) = C₂² · Schur multiplier (H₂) = C₂

Aliases

dihedral	D₂₇₈₈₆
direct product	C₂×D₁₃₉₄₃

Splittings

Fitting, socle	C₂×C₇₃×C₁₉₁ ⋊ C₂
derived, Hall	C₇₃×C₁₉₁ ⋊ C₂²
Sylow	C₁₉₁ ⋊ C₂×D₇₃
Sylow	C₇₃ ⋊ C₂×D₁₉₁

Subgroups

	subgroup	G/H
center, hypercenter	C₂	D₁₃₉₄₃
commutator, cosocle, hypocenter	C₇₃×C₁₉₁	C₂²
Frattini	C₁	G
Fitting, socle	C₂×C₇₃×C₁₉₁	C₂
LCS	G ▷ C₇₃×C₁₉₁
UCS	C₁ ◁ C₂

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 266
transitive degree	μ_t(G) = 27886

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

Conjugacy classes & character table

13946 conjugacy classes. The character table is too large to display.

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from a minimal faithful permutation representation:

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

C2×D13943 #72291202