Finite Group Databasebeta

D21×D227 #34040148

order19068
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD21×D227
unambiguous semidirect product(C3×D227)⋊D7
unambiguous semidirect product(C7×D227)⋊D3

Splittings

Fitting, socle, derived, HallC3×C7×C227 ⋊ C22
HallC7×C227 ⋊ C2×D3
HallC3×C227 ⋊ C2×D7
SylowC227 ⋊ C2×D21
HallC3×C7 ⋊ C2×D227
SylowC7 ⋊ D3×D227
SylowC3 ⋊ D7×D227

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C7×C227C22
LCSG ▷ C3×C7×C227
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4767

Conjugacy classes & character table

1380 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19068, 20);