Finite Group Databasebeta

D13×D399 #35209152

order20748
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD13×D399
unambiguous semidirect product(C3×D13)⋊D133
unambiguous semidirect product(C7×D13)⋊D57
unambiguous semidirect product(C19×D13)⋊D21

Splittings

Fitting, socle, derived, HallC3×C7×C13×C19 ⋊ C22
HallC7×C13×C19 ⋊ C2×D3
HallC3×C13×C19 ⋊ C2×D7
HallC3×C7×C19 ⋊ C2×D13
HallC3×C7×C13 ⋊ C2×D19
HallC13×C19 ⋊ C2×D21
HallC7×C19 ⋊ D3×D13
HallC7×C13 ⋊ C2×D57
HallC3×C19 ⋊ D7×D13
HallC3×C13 ⋊ C2×D133
HallC3×C7 ⋊ D13×D19
SylowC19 ⋊ D13×D21
SylowC13 ⋊ C2×D399
SylowC7 ⋊ D13×D57
SylowC3 ⋊ D13×D133

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C7×C13×C19C22
LCSG ▷ C3×C7×C13×C19
UCSC1

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 5187

Conjugacy classes & character table

1608 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20748, 380);