Finite Group Databasebeta

#34208148

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

Aliases

No aliases for this group.

Splittings

FittingC2×#367×C79 ⋊ C2
SylowC79 ⋊ #13496

Subgroups

subgroupG/H
centerC22#19098796
commutator, cosocleC22×C8×C79C23
FrattiniC22×C8C22×D79
FittingC2×#367×C79C2
socleC22×C79#466
prime radicalC2×#11929624D4
hypercenterC2×#367D79
hypocenterC79#13496
LCSG ▷ C22×C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×C8 ◁ C2×#367

284 conjugacy classes of subgroups; only the 87 normal subgroups are shown.

normal subgroups only

This group has 284 conjugacy classes of subgroups — too many to draw. Only its 87 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:

(1,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,79,77,75,73,71,69,67,65,63,61,59,57,55,53,51,49,47,45,43,41,39,37,35,33,31,29,27,25,23,21,19,17,15,13,11,9,7,5,3)(80,82,83,86)(81,85,84,87)(89,96)(90,100)(91,104)(92,105)(94,108)(95,109)(97,98)(99,115)(101,107)(102,103)(106,116)(110,113)(111,119)(112,114);(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)(81,84)(85,87)(88,90)(89,95)(91,101)(92,100)(93,103)(94,107)(96,114)(97,110)(98,112)(99,113)(102,105)(104,117)(106,109)(108,118)(111,116)(115,119);(80,81)(82,85)(83,84)(86,87)(88,89,94,106,105,116,104,96,93,99,91,97,92,98,108,115)(90,95,107,109,102,111,117,114,103,113,101,110,100,112,118,119)

Polycyclic presentation:

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

Conjugacy classes & character table

1756 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 89447);