Finite Group Databasebeta

D21×C443 #32915835

order18606
automorphism?
homologyAbelianization (H1) = C2×C443 · Schur multiplier (H2) = C1

Aliases

direct productD21×C443
unambiguous semidirect productC3⋊(D7×C443)
unambiguous semidirect productC7⋊(D3×C443)

Splittings

Fitting, socle, HallC3×C7×C443 ⋊ C2
derived, HallC3×C7 ⋊ C2×C443
HallC7×C443 ⋊ D3
HallC3×C443 ⋊ D7
SylowC7 ⋊ D3×C443
SylowC3 ⋊ D7×C443

Subgroups

subgroupG/H
center, hypercenterC443D21
commutator, cosocle, hypocenterC3×C7C2×C443
FrattiniC1G
Fitting, socleC3×C7×C443C2
LCSG ▷ C3×C7
UCSC1 ◁ C443

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9303

Conjugacy classes & character table

5316 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD21×D443, D3×D7×C443, D21⋊D443, …
maximal normal subgroup ofD21×D443, D3×D7×C443, D21⋊D443, …
maximal quotient ofDic21×C443, C2×D21×C443

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18606, 8);