Finite Group Databasebeta

C4⋊#92180 #14515965

order1944
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2×C3

Aliases

unambiguous semidirect productC4⋊#92180

Splittings

FittingC4×H(3,𝔽3)⋊C9 ⋊ C2
SylowH(3,𝔽3)⋊C9 ⋊ D4

Subgroups

subgroupG/H
centerC2C2×#92180
commutator, cosocleC2×C32×C9C22×C3
FrattiniC2×C33C2×C3×D3
FittingC4×H(3,𝔽3)⋊C9C2
socleC2×C32C2×(C3⋊D3)⋊C3
hypercenterC4#92180
hypocenterC32×C9C3×D4
LCSG ▷ C2×C32×C9 ▷ C32×C9
UCSC1 ◁ C2 ◁ C4

298 conjugacy classes of subgroups; only the 48 normal subgroups are shown.

normal subgroups only

This group has 298 conjugacy classes of subgroups — too many to draw. Only its 48 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 324

Polycyclic presentation:

2^2,3,2,3^4|b^2=d,e^3=h,b^a=bd,e^a=e^2h^2,f^a=f^2,g^a=g^2,h^a=h^2,e^c=ef,f^c=fg

Conjugacy classes & character table

111 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 359);