D₁₁₄₄₅ #37504335

order	22890
automorphism	?
homology	Abelianization (H₁) = C₂ · Schur multiplier (H₂) = C₁

Aliases

dihedral	D₁₁₄₄₅
unambiguous semidirect product	C₃⋊D₃₈₁₅
unambiguous semidirect product	C₅⋊D₂₂₈₉
unambiguous semidirect product	C₇⋊D₁₆₃₅
unambiguous semidirect product	C₁₀₉⋊D₁₀₅

Splittings

Fitting, socle, derived, Hall	C₃×C₅×C₇×C₁₀₉ ⋊ C₂
Hall	C₅×C₇×C₁₀₉ ⋊ D₃
Hall	C₃×C₇×C₁₀₉ ⋊ D₅
Hall	C₃×C₅×C₁₀₉ ⋊ D₇
Hall	C₇×C₁₀₉ ⋊ D₁₅
Hall	C₅×C₁₀₉ ⋊ D₂₁
Hall	C₃×C₁₀₉ ⋊ D₃₅
Sylow	C₁₀₉ ⋊ D₁₀₅
Hall	C₃×C₅×C₇ ⋊ D₁₀₉
Hall	C₅×C₇ ⋊ D₃₂₇
Hall	C₃×C₇ ⋊ D₅₄₅
Hall	C₃×C₅ ⋊ D₇₆₃
Sylow	C₇ ⋊ D₁₆₃₅
Sylow	C₅ ⋊ D₂₂₈₉
Sylow	C₃ ⋊ D₃₈₁₅

Subgroups

	subgroup	G/H
center, Frattini, hypercenter	C₁	G
commutator, Fitting, socle, cosocle, hypocenter	C₃×C₅×C₇×C₁₀₉	C₂
LCS	G ▷ C₃×C₅×C₇×C₁₀₉
UCS	C₁

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 124
transitive degree	μ_t(G) = 11445

A minimal faithful permutation representation — 2 generators on 124 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);(2,3)(5,8)(6,7)(10,15)(11,14)(12,13)(17,124)(18,123)(19,122)(20,121)(21,120)(22,119)(23,118)(24,117)(25,116)(26,115)(27,114)(28,113)(29,112)(30,111)(31,110)(32,109)(33,108)(34,107)(35,106)(36,105)(37,104)(38,103)(39,102)(40,101)(41,100)(42,99)(43,98)(44,97)(45,96)(46,95)(47,94)(48,93)(49,92)(50,91)(51,90)(52,89)(53,88)(54,87)(55,86)(56,85)(57,84)(58,83)(59,82)(60,81)(61,80)(62,79)(63,78)(64,77)(65,76)(66,75)(67,74)(68,73)(69,72)(70,71)

Polycyclic presentation:

2,3,5,7,109|b^a=b^2,c^a=c^4,d^a=d^6,e^a=e^108

Conjugacy classes & character table

5724 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(22890, 20);

D11445 #37504335