Finite Group Databasebeta

D19×#10587716 #35208992

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

Aliases

direct productD19×#10587716

Splittings

Fitting, socle, derived, HallC7×C13×C19 ⋊ C22×C3
HallC7×D13×D19 ⋊ C3
HallC19×#63270 ⋊ C22
HallD13×D19 ⋊ ΓL(1,𝔽8)
Hall#63270 ⋊ C2×D19
HallC13×C19 ⋊ C22×ΓL(1,𝔽8)
HallC7×C19 ⋊ C2×D13⋊C3
HallC7×C13 ⋊ C2×C3×D19
SylowC19 ⋊ C2×#10587716
SylowC13 ⋊ C2×ΓL(1,𝔽8)×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

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20748, 220);