Finite Group Databasebeta

D7×D657 #32913740

order18396
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD7×D657
unambiguous semidirect product(C9×D7)⋊D73
unambiguous semidirect product(D7×C73)⋊D9

Splittings

Fitting, derived, HallC7×C9×C73 ⋊ C22
HallC9×C73 ⋊ C2×D7
HallC7×C73 ⋊ C2×D9
SylowC73 ⋊ D7×D9
HallC7×C9 ⋊ C2×D73
SylowC9 ⋊ D7×D73
SylowC7 ⋊ C2×D657

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC7×C9×C73C22
FrattiniC3D7×D219
socleC3×C7×C73C2×D3
LCSG ▷ C7×C9×C73
UCSC1

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4599

Conjugacy classes & character table

1650 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18396, 58);