Finite Group Databasebeta

D21×D73⋊C3 #32913883

order18396
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

direct productD21×D73⋊C3
unambiguous semidirect productD73⋊(C3×D21)
unambiguous semidirect product(C3×D73⋊C3)⋊D7
unambiguous semidirect product(C7×D73⋊C3)⋊D3

Splittings

Fitting, socle, derivedC3×C7×C73 ⋊ C22×C3
HallC3×C7×C73⋊C3 ⋊ C22
HallC3×C73⋊C3 ⋊ C2×D7
HallC7×C73 ⋊ C2×C3×D3
SylowC73 ⋊ C2×C3×D21
SylowC7 ⋊ D3×D73⋊C3

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C7×C73C22×C3
LCSG ▷ C3×C7×C73
UCSC1

88 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1533

Conjugacy classes & character table

216 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18396, 201);