Finite Group Databasebeta

D7×D9×C19 #18012129

order4788
automorphism?
homologyAbelianization (H1) = C22×C19 · Schur multiplier (H2) = C2

Aliases

direct productD7×D9×C19
unambiguous semidirect product(C7×D9)⋊(C2×C19)
unambiguous semidirect product(C9×D7)⋊(C2×C19)
unambiguous semidirect productD63⋊(C2×C19)

Splittings

Fitting, HallC7×C9×C19 ⋊ C22
derived, HallC7×C9 ⋊ C22×C19
HallC9×C19 ⋊ C2×D7
HallC7×C19 ⋊ C2×D9
SylowC9 ⋊ C2×D7×C19
SylowC7 ⋊ C2×D9×C19

Subgroups

subgroupG/H
center, hypercenterC19D7×D9
commutator, cosocle, hypocenterC7×C9C22×C19
FrattiniC3D3×D7×C19
FittingC7×C9×C19C22
socleC3×C7×C19C2×D3
LCSG ▷ C7×C9
UCSC1 ◁ C19

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 35
transitive degreeμt(G) = 1197

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC5×D7×D9×C19, D7×C19×D45, D9×C19×D35, …
maximal normal subgroup ofC5×D7×D9×C19, C7×D7×D9×C19
maximal quotient ofC5×D7×D9×C19, D7×C19×D45, D9×C19×D35, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4788, 45);