Finite Group Databasebeta

#34202580

order20224
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #12449

Subgroups

subgroupG/H
centerC22#19098758
commutator, cosocleC4×C8×C79C23
FrattiniC4×C8C22×D79
FittingC8×D8×C79C2
socleC22×C79#459
prime radicalC2×D8×C79D4
hypercenterC8×D8D79
hypocenterC79#12449
LCSG ▷ C4×C8×C79 ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C22 ◁ C42 ◁ C82 ◁ C8×D8

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

normal subgroups only

This group has 222 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) = 111
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 3 generators on 111 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)(97,102)(99,107)(100,106)(101,109)(103,104)(105,111)(108,110);(80,82,89,93,84,91,83,90)(81,85,92,95,87,94,86,88)(97,101)(102,109)(103,110)(104,108);(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)(80,81,84,87)(82,88,91,95)(83,92,89,86)(85,93,94,90)(96,97)(98,101)(99,102)(100,108)(103,107)(104,106)(105,109)(110,111)

Polycyclic presentation:

2^8,79|a^2=f,b^2=dfh,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^a=i^78,e^c=eg,g^c=gh

Conjugacy classes & character table

2227 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 83879);