Finite Group Databasebeta

C19×D207 #21463451

order7866
isoclinismisoclinic class of D207
automorphism?
homologyAbelianization (H1) = C2×C19 · Schur multiplier (H2) = C1

Aliases

direct productC19×D207
unambiguous semidirect productC9⋊(C19×D23)
unambiguous semidirect productC23⋊(D9×C19)

Splittings

Fitting, HallC9×C19×C23 ⋊ C2
derived, HallC9×C23 ⋊ C2×C19
HallC19×C23 ⋊ D9
HallC9×C19 ⋊ D23
SylowC23 ⋊ D9×C19
SylowC9 ⋊ C19×D23

Subgroups

subgroupG/H
center, hypercenterC19D207
commutator, hypocenterC9×C23C2×C19
FrattiniC3C19×D69
FittingC9×C19×C23C2
socleC3×C19×C23D3
LCSG ▷ C9×C23
UCSC1 ◁ C19

24 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

1995 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD9×C19×D23, D19×D207, D171⋊D23, …
maximal normal subgroup ofD9×C19×D23, D19×D207, D171⋊D23, …
maximal quotient ofC19×Dic207, C2×C19×D207

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7866, 7);