Finite Group Databasebeta

C19×D40 #13095067

order1520
isoclinismisoclinic class of #677
automorphism?
homologyAbelianization (H1) = C22×C19 · Schur multiplier (H2) = C2

Aliases

direct productC19×D40

Splittings

FittingC5×C8×C19 ⋊ C2
HallC5×C19 ⋊ D8
SylowC5 ⋊ D8×C19

Subgroups

subgroupG/H
centerC2×C19D20
commutator, cosocleC4×C5C22×C19
FrattiniC4C2×D5×C19
FittingC5×C8×C19C2
socleC2×C5×C19D4
hypercenterC8×C19D5
hypocenterC5D8×C19
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C19 ◁ C4×C19 ◁ C8×C19

44 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 760

A minimal faithful permutation representation — 2 generators on 32 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19)(20,21,22,23,24,25,26,27)(28,29,30,31,32);(21,27)(22,26)(23,25)(29,32)(30,31)

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1520, 51);