Finite Group Databasebeta

#34183064

order20224
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #8982

Subgroups

subgroupG/H
centerC23#14579131
commutatorC42×C79C22×C4
FrattiniC2×C42C22×D79
FittingC79×#1279C2
socle, prime radicalC23×C79#120
cosocleC2×C42×C79C23
hypercenter#1279D79
hypocenterC79#8982
LCSG ▷ C42×C79 ▷ C22×C79 ▷ C79
UCSC1 ◁ C23 ◁ C2×C42 ◁ #1279

516 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 107
transitive degreeμt(G) = 20224

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

Polycyclic presentation:

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

Conjugacy classes & character table

2236 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 64363);