Finite Group Databasebeta

#34202467

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

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #12429

Subgroups

subgroupG/H
centerC22#19098757
commutator, cosocleC4×C8×C79C23
FrattiniC4×C8C22×D79
FittingC79×#1361C2
socleC22×C79#459
prime radical#493×C79C22
hypercenter#1361D79
hypocenterC79#12429
LCSG ▷ C4×C8×C79 ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C22 ◁ C42 ◁ C4×C8 ◁ #1361

240 conjugacy classes of subgroups; only the 63 normal subgroups are shown.

normal subgroups only

This group has 240 conjugacy classes of subgroups — too many to draw. Only its 63 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) = 119
transitive degreeμt(G) = 10112

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

Polycyclic presentation:

2^8,79|b^2=dfh,c^2=h,d^2=f,e^2=gh,g^2=h,b^a=bd,c^a=ce,d^a=df,e^a=eg,g^a=gh,i^b=i^78,e^c=eg,g^c=gh,i^c=i^78

Conjugacy classes & character table

1174 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 83766);