Finite Group Databasebeta

C2×C7×D9×C19 #18012145

order4788
isoclinismisoclinic class of D9
automorphism?
homologyAbelianization (H1) = C22×C7×C19 · Schur multiplier (H2) = C2

Aliases

direct productC2×C7×D9×C19
unambiguous semidirect productC9⋊(C22×C7×C19)
unambiguous semidirect product(C2×C9)⋊(C2×C7×C19)

Splittings

FittingC2×C7×C9×C19 ⋊ C2
derived, SylowC9 ⋊ C22×C7×C19
HallC7×C9×C19 ⋊ C22
HallC9×C19 ⋊ C22×C7
HallC7×C9 ⋊ C22×C19

Subgroups

subgroupG/H
center, hypercenterC2×C7×C19D9
commutator, cosocle, hypocenterC9C22×C7×C19
FrattiniC3C2×D3×C7×C19
FittingC2×C7×C9×C19C2
socleC2×C3×C7×C19D3
LCSG ▷ C9
UCSC1 ◁ C2×C7×C19

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2394

Conjugacy classes & character table

1596 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC7×D5×D9×C19, C2×C7×C19×D45, C2×C5×C7×D9×C19, …
maximal normal subgroup ofC2×C5×C7×D9×C19, C2×D9×C19×C49, C2×C72×D9×C19
maximal quotient ofC7×D5×D9×C19, C2×C7×C19×D45, C2×C5×C7×D9×C19, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4788, 61);