Finite Group Databasebeta

#34189659

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

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #10095

Subgroups

subgroupG/H
centerC22#19098472
commutator, cosocleC2×C42×C79C23
FrattiniC2×C42C22×D79
FittingC79×#1505C2
socleC22×C79#392
prime radical#532×C79C22
hypercenter#1505D79
hypocenterC79#10095
LCSG ▷ C2×C42×C79 ▷ C22×C79 ▷ C79
UCSC1 ◁ C22 ◁ C2×C42 ◁ #1505

480 conjugacy classes of subgroups; only the 83 normal subgroups are shown.

normal subgroups only

This group has 480 conjugacy classes of subgroups — too many to draw. Only its 83 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 111
transitive degreeμt(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)(80,82,84,90)(81,86,88,95)(83,92,91,89)(85,93,87,94)(96,98)(97,101)(99,108)(100,105)(102,111)(103,110)(104,106)(107,109);(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)(81,85)(83,91)(86,94)(87,88)(89,92)(93,95)(96,97,100,103)(98,101,105,110)(99,107,106,102)(104,111,108,109);(80,81)(82,86)(83,85)(84,88)(87,91)(89,94)(90,95)(92,93)(98,104)(99,106)(101,109)(102,107)(105,108)(110,111)

Polycyclic presentation:

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

Conjugacy classes & character table

1279 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 70958);