Finite Group Databasebeta

D7×D711 #34092585

order19908
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD7×D711
unambiguous semidirect product(C9×D7)⋊D79
unambiguous semidirect product(D7×C79)⋊D9

Splittings

Fitting, derived, HallC7×C9×C79 ⋊ C22
HallC9×C79 ⋊ C2×D7
HallC7×C79 ⋊ C2×D9
SylowC79 ⋊ D7×D9
HallC7×C9 ⋊ C2×D79
SylowC9 ⋊ D7×D79
SylowC7 ⋊ C2×D711

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC7×C9×C79C22
FrattiniC3D7×D237
socleC3×C7×C79C2×D3
LCSG ▷ C7×C9×C79
UCSC1

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4977

Conjugacy classes & character table

1785 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19908, 46);