Finite Group Databasebeta

C4⋊#92211 #14516136

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

Aliases

unambiguous semidirect productC4⋊#92211

Splittings

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

Subgroups

subgroupG/H
centerC2C2×#92211
commutator, cosocleC2×H(3,𝔽3)⋊C9C22
FrattiniC2×C33C2×C3⋊D3
FittingC4×H(3,𝔽3)⋊C9C2
socleC2×C32C2×#272
hypercenterC4#92211
hypocenterH(3,𝔽3)⋊C9D4
LCSG ▷ C2×H(3,𝔽3)⋊C9 ▷ H(3,𝔽3)⋊C9
UCSC1 ◁ C2 ◁ C4

337 conjugacy classes of subgroups; only the 51 normal subgroups are shown.

normal subgroups only

This group has 337 conjugacy classes of subgroups — too many to draw. Only its 51 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:

2^3,3^5|b^2=c,e^3=g,b^a=bc,d^a=d^2,e^a=e^2g^2,g^a=g^2,h^a=h^2,e^d=ef,f^d=fh,f^e=fh^2

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, 530);