Finite Group Databasebeta

#34495377

order20224
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Splittings

FittingC2×#379×C79 ⋊ C2
SylowC79 ⋊ #36725

Subgroups

subgroupG/H
center, FrattiniC23C24×D79
commutator, socle, cosocleC23×C79C25
FittingC2×#379×C79C2
hypercenterC2×#379D79
hypocenterC79#36725
LCSG ▷ C23×C79 ▷ C79
UCSC1 ◁ C23 ◁ C2×#379

3282 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 103
transitive degreeμt(G) = 2528

A minimal faithful permutation representation — 5 generators on 103 points:

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

Polycyclic presentation:

2^8,79|b^2=g,b^a=bf,c^a=cg,d^a=df,e^a=efh,i^a=i^78,c^b=ch,d^b=dfh

Conjugacy classes & character table

2236 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 376676);