Finite Group Databasebeta

C19×#689 #13095078

order1520
isoclinismisoclinic class of #686
automorphism?
homologyAbelianization (H1) = C22×C19 · Schur multiplier (H2) = C1

Aliases

direct productC19×#689

Splittings

HallC5×C19 ⋊ Q16
SylowC5 ⋊ Q16×C19

Subgroups

subgroupG/H
centerC2×C19C22⋊D5
commutator, cosocleC4×C5C22×C19
FrattiniC4C2×D5×C19
FittingC5×Q8×C19C2
socle, prime radicalC2×C5×C19D4
hypercenterQ8×C19D5
hypocenterC5Q16×C19
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C19 ◁ C4×C19 ◁ Q8×C19

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 1520

A minimal faithful permutation representation — 2 generators on 40 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19)(20,21,23,24,22)(25,27,29,35)(26,30,32,39)(28,37,38,34)(31,40,36,33);(21,22)(23,24)(25,26,29,32)(27,33,35,40)(28,36,38,31)(30,37,39,34)

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1520, 62);