Finite Group Databasebeta

Dic9×C421 #29502995

order15156
isoclinismisoclinic class of D9
automorphism?
homologyAbelianization (H1) = C4×C421 · Schur multiplier (H2) = C1

Aliases

direct productDic9×C421
unambiguous semidirect productC9⋊(C4×C421)

Splittings

derived, SylowC9 ⋊ C4×C421
HallC9×C421 ⋊ C4

Subgroups

subgroupG/H
center, hypercenterC2×C421D9
commutator, hypocenterC9C4×C421
FrattiniC2×C3D3×C421
FittingC2×C9×C421C2
socle, prime radicalC2×C3×C421D3
cosocleC2×C9C2×C421
LCSG ▷ C9
UCSC1 ◁ C2×C421

18 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 15156

Conjugacy classes & character table

5052 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15156, 4);