#34209683

order	20224
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄² · Schur multiplier (H₂) = C₂⁶×C₄

Aliases

No aliases for this group.

Splittings

Fitting	C₇₉×#1436 ⋊ C₂
Sylow	C₇₉ ⋊ C₂²⋊C₄×C₄⋊C₄

Subgroups

	subgroup	G/H
center, Frattini	C₂⁴	C₂³×D₇₉
commutator	C₂²×C₇₉	C₂²×C₄²
Fitting	C₇₉×#1436	C₂
socle, cosocle	C₂⁴×C₇₉	C₂⁴
prime radical	C₂⁴×D₇₉	C₂³
hypercenter	#1436	D₇₉
hypocenter	C₇₉	C₂²⋊C₄×C₄⋊C₄
LCS	G ▷ C₂²×C₇₉ ▷ C₇₉
UCS	C₁ ◁ C₂⁴ ◁ #1436

2574 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 95
transitive degree	μ_t(G) = 10112

A minimal faithful permutation representation — 4 generators on 95 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)(92,94,95,93);(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)(89,91);(84,85,86,87)(93,94);(80,81,82,83)(88,89)(90,91)(92,93,95,94)

Polycyclic presentation:

2^8,79|a^2=g,b^2=h,d^2=e,b^a=be,c^a=cf,d^b=de,i^c=i^78,i^d=i^78

Conjugacy classes & character table

2284 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 90982);