Finite Group Databasebeta

C19×C22⋊#63270 #35209179

order20748
automorphism?
homologyAbelianization (H1) = C3×C19 · Schur multiplier (H2) = C2

Aliases

direct productC19×C22⋊#63270
unambiguous semidirect productC22⋊(C19×#63270)

Splittings

Fitting, socle, HallC22×C7×C13×C19 ⋊ C3
derived, HallC22×C7×C13 ⋊ C3×C19
HallC7×C13×C19 ⋊ A4
HallC22×C13×C19 ⋊ ΓL(1,𝔽8)
HallC22×C7×C19 ⋊ C13⋊C3
HallC13×C19 ⋊ C22⋊ΓL(1,𝔽8)
HallC7×C19 ⋊ C22⋊(C13⋊C3)
HallC7×C13 ⋊ A4×C19
HallC22×C19 ⋊ #63270
HallC22×C13 ⋊ C19×ΓL(1,𝔽8)
HallC22×C7 ⋊ C19×C13⋊C3
SylowC13 ⋊ C19×C22⋊ΓL(1,𝔽8)
SylowC7 ⋊ C19×C22⋊(C13⋊C3)
SylowC22 ⋊ C19×#63270

Subgroups

subgroupG/H
center, hypercenterC19C22⋊#63270
commutator, cosocle, hypocenterC22×C7×C13C3×C19
FrattiniC1G
Fitting, socleC22×C7×C13×C19C3
LCSG ▷ C22×C7×C13
UCSC1 ◁ C19

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6916

Conjugacy classes & character table

2356 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20748, 407);