Finite Group Databasebeta

#34180602

order20224
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

FittingC79×#1873 ⋊ C2
SylowC79 ⋊ #8488

Subgroups

subgroupG/H
centerC22#19098418
commutatorC22×C4×C79C22×C4
FrattiniC23×C4C22×D79
FittingC79×#1873C2
socleC22×C79#379
prime radical#23777609C2
cosocleC23×C4×C79C23
hypercenter#1873D79
hypocenterC79#8488
LCSG ▷ C22×C4×C79 ▷ C22×C79 ▷ C79
UCSC1 ◁ C22 ◁ C23×C4 ◁ #1873

768 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 119
transitive degreeμt(G) = 5056

A minimal faithful permutation representation — 3 generators on 119 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)(80,83,84,87)(81,85,86,82)(88,91)(89,96)(90,101)(92,107)(93,105)(94,106)(95,108)(97,113)(98,111)(99,112)(100,114)(102,118)(103,117)(104,116)(109,119)(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)(80,82)(81,83)(84,85)(86,87)(88,90)(89,95)(91,101)(92,104)(93,102)(94,103)(96,108)(97,110)(98,100)(99,109)(105,118)(106,117)(107,116)(111,114)(112,119)(113,115);(80,81)(82,87,85,83)(84,86)(88,89,93,98,94,99,92,97)(90,100,104,95,103,110,102,109)(91,96,105,111,106,112,107,113)(101,115,116,119,117,114,118,108)

Polycyclic presentation:

2^8,79|a^2=f,c^2=g,d^2=h,f^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eg,d^b=dh,e^b=egh,f^b=fgh,i^b=i^78,d^c=dgh,f^c=fg,i^c=i^78

Conjugacy classes & character table

1519 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 61901);