Finite Group Databasebeta

C4⋊#92183 #14515975

order1944
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊#92183

Splittings

FittingC4×#6873 ⋊ C2
Sylow#6873 ⋊ D4

Subgroups

subgroupG/H
centerC2×C9C2×(C3⋊D3)⋊C3
commutatorC2×H(3,𝔽3)C22×C9
FrattiniC2×C3×C9C2×C3×D3
FittingC4×#6873C2
socleC2×C3C2×(C3⋊D3)⋊C9
prime radicalC4⋊#272C9
cosocleC2×#737C22×C3
hypercenterC4×C9(C3⋊D3)⋊C3
hypocenterH(3,𝔽3)D4×C9
LCSG ▷ C2×H(3,𝔽3) ▷ H(3,𝔽3)
UCSC1 ◁ C2×C9 ◁ C4×C9

130 conjugacy classes of subgroups; only the 36 normal subgroups are shown.

normal subgroups only

This group has 130 conjugacy classes of subgroups — too many to draw. Only its 36 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,c^3=e,e^3=h^2,b^a=bd,f^a=f^2,g^a=g^2h,f^c=fg,g^f=gh

Conjugacy classes & character table

183 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 369);