Finite Group Databasebeta

D43⋊C9 #11715875

order774
isoclinismisoclinic class of D43⋊C3
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productD43⋊C9
unambiguous semidirect product(C43⋊C9)⋊C2

Splittings

derived, SylowC43 ⋊ C2×C9
HallC43⋊C9 ⋊ C2
HallD43 ⋊ C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC3D43⋊C3
commutator, hypocenterC43C2×C9
Fitting, socle, cosocleC3×C43C2×C3
prime radicalC3×D43C3
LCSG ▷ C43
UCSC1 ◁ C3

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 387

Polycyclic presentation:

2,3^2,43|b^3=c,d^a=d^42,d^b=d^36

Conjugacy classes & character table

39 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×D43⋊C9, C5×D43⋊C9, C5⋊(D43⋊C9), …
maximal normal subgroup ofC2×D43⋊C9, C5×D43⋊C9, C17×D43⋊C9, …
maximal quotient ofDic43⋊C9, C2×D43⋊C9, C5×D43⋊C9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(774, 1);