Finite Group Databasebeta

#34199865

order20224
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #12011

Subgroups

subgroupG/H
centerC8C2×D632
commutatorC8×C79C22×C8
FrattiniC4×C8C22×D79
FittingC4×M32×C79C2
socleC2×C79C2×#335
prime radicalC23×C79#108
cosocleC4×C8×C79C23
hypercenterC4×M32D79
hypocenterC79#12011
LCSG ▷ C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C8 ◁ C22×C8 ◁ C2×C4×C8 ◁ C4×M32

220 conjugacy classes of subgroups; only the 143 normal subgroups are shown.

normal subgroups only

This group has 220 conjugacy classes of subgroups — too many to draw. Only its 143 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) = 2528

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

Polycyclic presentation:

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

Conjugacy classes & character table

3184 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 81164);