Finite Group Databasebeta

#34201734

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

Aliases

No aliases for this group.

Splittings

FittingC79×#2209 ⋊ C2
SylowC79 ⋊ #12322

Subgroups

subgroupG/H
centerC22#19098695
commutator, cosocleC4×C8×C79C23
FrattiniC4×C8C22×D79
FittingC79×#2209C2
socleC22×C79#447
prime radicalC2×D316D8
hypercenter#2209D79
hypocenterC79#12322
LCSG ▷ C4×C8×C79 ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C22 ◁ C42 ◁ C4×C8 ◁ #2209

368 conjugacy classes of subgroups; only the 71 normal subgroups are shown.

normal subgroups only

This group has 368 conjugacy classes of subgroups — too many to draw. Only its 71 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)(81,86)(82,83)(85,87);(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)(82,83)(86,87)(88,90,93,101)(89,94,97,111)(91,103,106,119)(92,108,104,100)(95,113,114,118)(96,115,107,110)(98,116,117,102)(99,112,109,105);(80,81)(82,85)(83,86)(84,87)(88,89,93,97)(90,98,101,117)(91,102,106,116)(92,107,104,96)(94,109,111,99)(95,112,114,105)(100,118,108,113)(103,115,119,110)

Polycyclic presentation:

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

Conjugacy classes & character table

1171 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 83033);