D₂₅₄₄₀ #72288604

order	50880
automorphism	?
homology	Abelianization (H₁) = C₂² · Schur multiplier (H₂) = C₂

Aliases

dihedral

D₂₅₄₄₀

Splittings

Fitting	C₃×C₅×C₃₂×C₅₃ ⋊ C₂
Hall	C₃×C₅×C₅₃ ⋊ D₃₂
Hall	C₅×C₅₃ ⋊ D₉₆
Hall	C₃×C₅₃ ⋊ D₁₆₀
Sylow	C₅₃ ⋊ D₄₈₀
Hall	C₃×C₅ ⋊ D₁₆₉₆
Sylow	C₅ ⋊ D₅₀₈₈
Sylow	C₃ ⋊ D₈₄₈₀

Subgroups

	subgroup	G/H
center	C₂	D₁₂₇₂₀
commutator, cosocle	C₃×C₅×C₁₆×C₅₃	C₂²
Frattini	C₁₆	C₂×D₇₉₅
Fitting	C₃×C₅×C₃₂×C₅₃	C₂
socle	C₂×C₃×C₅×C₅₃	D₁₆
hypercenter	C₃₂	D₇₉₅
hypocenter	C₃×C₅×C₅₃	D₃₂
LCS	G ▷ C₃×C₅×C₁₆×C₅₃ ▷ C₃×C₅×C₈×C₅₃ ▷ C₃×C₄×C₅×C₅₃ ▷ C₂×C₃×C₅×C₅₃ ▷ C₃×C₅×C₅₃
UCS	C₁ ◁ C₂ ◁ C₄ ◁ C₈ ◁ C₁₆ ◁ C₃₂

136 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 93
transitive degree	μ_t(G) = 25440

A minimal faithful permutation representation — 2 generators on 93 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);(2,32)(3,31)(4,30)(5,29)(6,28)(7,27)(8,26)(9,25)(10,24)(11,23)(12,22)(13,21)(14,20)(15,19)(16,18)(34,35)(37,40)(38,39)(42,93)(43,92)(44,91)(45,90)(46,89)(47,88)(48,87)(49,86)(50,85)(51,84)(52,83)(53,82)(54,81)(55,80)(56,79)(57,78)(58,77)(59,76)(60,75)(61,74)(62,73)(63,72)(64,71)(65,70)(66,69)(67,68)

Polycyclic presentation:

2^6,3,5,53|b^2=cd,c^2=de,d^2=ef,e^2=f,b^a=bc,c^a=cd,d^a=de,e^a=ef,g^a=g^2,h^a=h^4,i^a=i^52

Conjugacy classes & character table

12723 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", "e", "f", "g", "h", "i");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 2, 3, 5, 53]);;
gap> SetPower(coll, 2, F.3*F.4);;
gap> SetPower(coll, 3, F.4*F.5);;
gap> SetPower(coll, 4, F.5*F.6);;
gap> SetPower(coll, 5, F.6);;
gap> SetConjugate(coll, 2, 1, F.2*F.3);;
gap> SetConjugate(coll, 3, 1, F.3*F.4);;
gap> SetConjugate(coll, 4, 1, F.4*F.5);;
gap> SetConjugate(coll, 5, 1, F.5*F.6);;
gap> SetConjugate(coll, 7, 1, F.7^2);;
gap> SetConjugate(coll, 8, 1, F.8^4);;
gap> SetConjugate(coll, 9, 1, F.9^52);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);

D25440 #72288604