Finite Group Databasebeta

D21×D223 #34035458

order18732
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD21×D223
unambiguous semidirect product(C3×D223)⋊D7
unambiguous semidirect product(C7×D223)⋊D3

Splittings

Fitting, socle, derived, HallC3×C7×C223 ⋊ C22
HallC7×C223 ⋊ C2×D3
HallC3×C223 ⋊ C2×D7
SylowC223 ⋊ C2×D21
HallC3×C7 ⋊ C2×D223
SylowC7 ⋊ D3×D223
SylowC3 ⋊ D7×D223

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C7×C223C22
LCSG ▷ C3×C7×C223
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4683

Conjugacy classes & character table

1356 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18732, 44);