#34193702

order	20224
automorphism	?
homology	Abelianization (H₁) = C₂×C₄² · Schur multiplier (H₂) = C₂⁶

Aliases

No aliases for this group.

Splittings

Fitting	C₇₉×#1729 ⋊ C₂
Sylow	C₇₉ ⋊ #10764

Subgroups

	subgroup	G/H
center	C₂×C₄	C₂×(C₂×D₇₉)⋊C₄
commutator	C₂³×C₇₉	C₂×C₄²
Frattini	C₂³×C₄	C₂²×D₇₉
Fitting	C₇₉×#1729	C₂
socle	C₂²×C₇₉	C₄×C₂²⋊C₄
prime radical	C₂²×#11929624	C₂²
cosocle	C₂³×C₄×C₇₉	C₂³
hypercenter	#1729	D₇₉
hypocenter	C₇₉	#10764
LCS	G ▷ C₂³×C₇₉ ▷ C₂×C₇₉ ▷ C₇₉
UCS	C₁ ◁ C₂×C₄ ◁ C₂³×C₈ ◁ #1729

1194 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 115
transitive degree	μ_t(G) = 5056

A minimal faithful permutation representation — 3 generators on 115 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)(84,87)(85,91)(86,95)(88,100)(89,99)(90,102)(92,98)(93,104)(94,106)(96,109)(97,108)(101,112)(103,113)(105,111)(107,114)(110,115);(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)(81,83)(84,86,88,97,89,96,101,110)(85,90,93,103,92,94,105,107)(87,95,100,108,99,109,112,115)(91,102,104,113,98,106,111,114);(80,81)(82,83)(84,85)(86,94,96,90)(87,98,99,91)(88,93)(89,92)(95,102)(97,107,110,103)(100,111,112,104)(101,105)(106,109)(108,113)(114,115)

Polycyclic presentation:

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

Conjugacy classes & character table

2248 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 75001);