#34183362

order	20224
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂³

Aliases

No aliases for this group.

Splittings

Fitting	C₇₉×#1303 ⋊ C₂
Sylow	C₇₉ ⋊ #9034

Subgroups

	subgroup	G/H
center	C₂×C₄	#14579131
commutator	C₂²×C₄×C₇₉	C₂²×C₄
Frattini	C₂×C₄²	C₂²×D₇₉
Fitting	C₇₉×#1303	C₂
socle	C₂²×C₇₉	#386
prime radical	C₂³×D₇₉	C₂²⋊C₄
cosocle	C₂×C₄²×C₇₉	C₂³
hypercenter	#1303	D₇₉
hypocenter	C₇₉	#9034
LCS	G ▷ C₂²×C₄×C₇₉ ▷ C₂²×C₇₉ ▷ C₇₉
UCS	C₁ ◁ C₂×C₄ ◁ C₂×C₄² ◁ #1303

482 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 111
transitive degree	μ_t(G) = 5056

A minimal faithful permutation representation — 3 generators on 111 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)(80,82)(81,85)(83,91)(84,89)(86,88)(87,95)(90,92)(93,94)(96,99,101,100)(97,103,105,104)(98,107,109,108)(102,110,111,106);(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)(80,81,83,87,84,86,92,94)(82,85,91,95,89,88,90,93)(96,98)(97,102)(99,107)(100,108)(101,109)(103,110)(104,106)(105,111);(80,81,83,87,84,86,92,94)(82,88,90,95,89,85,91,93)(96,97,100,104,101,105,99,103)(98,106,107,102,109,110,108,111)

Polycyclic presentation:

2^8,79|a^2=f,b^2=df,c^2=g,d^2=g,f^2=gh,b^a=bd,c^a=ce,e^a=eh,d^b=dg,e^b=eh,f^b=fg,i^b=i^78,d^c=dh,f^c=fh,i^c=i^78

Conjugacy classes & character table

1528 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 64661);