Finite Group Databasebeta

#34181942

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

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #8788

Subgroups

subgroupG/H
centerC22×C4C2×C22⋊D79
commutatorC22×C4×C79C22×C4
FrattiniC2×C42C22×D79
FittingC79×#1831C2
socle, prime radicalC23×C79C2×C4⋊C4
cosocleC2×C42×C79C23
hypercenter#1831D79
hypocenterC79#8788
LCSG ▷ C22×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C22×C4 ◁ C43 ◁ #1831

322 conjugacy classes of subgroups; only the 139 normal subgroups are shown.

normal subgroups only

This group has 322 conjugacy classes of subgroups — too many to draw. Only its 139 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) = 20224

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

Polycyclic presentation:

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

Conjugacy classes & character table

2248 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 63241);