Finite Group Databasebeta

D9×C1721 #44526415

order30978
automorphism?
homologyAbelianization (H1) = C2×C1721 · Schur multiplier (H2) = C1

Aliases

direct productD9×C1721
unambiguous semidirect productC9⋊(C2×C1721)

Splittings

Fitting, HallC9×C1721 ⋊ C2
derived, SylowC9 ⋊ C2×C1721

Subgroups

subgroupG/H
center, hypercenterC1721D9
commutator, cosocle, hypocenterC9C2×C1721
FrattiniC3D3×C1721
FittingC9×C1721C2
socleC3×C1721D3
LCSG ▷ C9
UCSC1 ◁ C1721

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 15489

Conjugacy classes & character table

10326 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30978, 2);