Finite Group Databasebeta

#34199827

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

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #12000

Subgroups

subgroupG/H
centerC2×C4#14579093
commutatorC8×C79C22×C8
FrattiniC4×C8C22×D79
FittingC4×M32×C79C2
socleC22×C79C2×#106
prime radicalC23×C79#106
cosocleC4×C8×C79C23
hypercenterC4×M32D79
hypocenterC79#12000
LCSG ▷ C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C4×C8 ◁ C4×M32

242 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 103
transitive degreeμt(G) = 10112

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

Polycyclic presentation:

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

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, 81126);