Finite Group Databasebeta

D19×(C13⋊C3)⋊D7 #35209014

order20748
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

direct productD19×(C13⋊C3)⋊D7
unambiguous semidirect product(D19×C13⋊C3)⋊D7

Splittings

Fitting, socle, derived, HallC7×C13×C19 ⋊ C22×C3
HallD19×D91 ⋊ C3
HallC7×C19×C13⋊C3 ⋊ C22
HallC19×C13⋊C3 ⋊ C2×D7
HallC7×C13⋊C3 ⋊ C2×D19
HallC13×C19 ⋊ C2×C3×D7
HallC7×C19 ⋊ C2×D13⋊C3
HallC7×C13 ⋊ C2×C3×D19
HallC13⋊C3 ⋊ D7×D19
SylowC19 ⋊ C2×(C13⋊C3)⋊D7
SylowC13 ⋊ C3×D7×D19
SylowC7 ⋊ D19×D13⋊C3

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C13×C19C22×C3
LCSG ▷ C7×C13×C19
UCSC1

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1729

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20748, 242);