Finite Group Databasebeta

D4×C9×H(3,𝔽3) #14517803

order1944
nilpotency class2
isoclinismisoclinic class of D4×H(3,𝔽3)
automorphism?
homologyAbelianization (H1) = C22×C32×C9 · Schur multiplier (H2) = C2×C34

Aliases

direct productD4×C9×H(3,𝔽3)
unambiguous semidirect productC4⋊(C2×C9×H(3,𝔽3))

Subgroups

subgroupG/H
centerC2×C3×C9C22×C32
commutatorC2×C3C22×C32×C9
Frattini, socle, cosocleC2×C32C22×C33
prime radicalC3×D4×H(3,𝔽3)C3
LCSG ▷ C2×C3 ▷ C1
UCSC1 ◁ C2×C3×C9 ◁ G

808 conjugacy classes of subgroups; only the 342 normal subgroups are shown.

normal subgroups only

This group has 808 conjugacy classes of subgroups — too many to draw. Only its 342 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 324

A minimal faithful permutation representation — 3 generators on 22 points:

(1,2,3,4)(5,6,7,8,9,10,11,12,13);(2,4)(14,15,17)(16,19,21)(18,22,20);(15,18,19)(17,21,22)

Conjugacy classes & character table

495 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 2197);