Dic₁₃₉₈₇ #72290364

order	55948
automorphism	?
homology	Abelianization (H₁) = C₄ · Schur multiplier (H₂) = C₁

Aliases

dicyclic

Dic₁₃₉₈₇

Splittings

derived, Hall	C₇₁×C₁₉₇ ⋊ C₄
Sylow	C₁₉₇ ⋊ Dic₇₁
Sylow	C₇₁ ⋊ Dic₁₉₇

Subgroups

	subgroup	G/H
center, Frattini, hypercenter	C₂	D₁₃₉₈₇
commutator, hypocenter	C₇₁×C₁₉₇	C₄
Fitting, socle, prime radical, cosocle	C₂×C₇₁×C₁₉₇	C₂
LCS	G ▷ C₇₁×C₁₉₇
UCS	C₁ ◁ C₂

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 272
transitive degree	μ_t(G) = 55948

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

Polycyclic presentation:

2^2,71,197|a^2=b,c^a=c^70,d^a=d^196

Conjugacy classes & character table

13990 conjugacy classes. The character table is too large to display.

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from its polycyclic presentation:

gap> F := FreeGroup(IsSyllableWordsFamily, "a", "b", "c", "d");;
gap> coll := SingleCollector(F, [2, 2, 71, 197]);;
gap> SetPower(coll, 1, F.2);;
gap> SetConjugate(coll, 3, 1, F.3^70);;
gap> SetConjugate(coll, 4, 1, F.4^196);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);

Dic13987 #72290364