Finite Group Databasebeta

#92211⋊C4 #14515792

order1944
isoclinismisoclinic class of (#272⋊C9)⋊C2
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product#92211⋊C4

Splittings

derived, SylowH(3,𝔽3)⋊C9 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC2(#272⋊C9)⋊C2
commutator, hypocenterH(3,𝔽3)⋊C9C2×C4
FrattiniC2×C33D32
Fitting, cosocleC2×H(3,𝔽3)⋊C9C22
socleC2×C32((C3⋊D3)⋊C3)⋊C2
prime radicalC2×#92211C2
LCSG ▷ H(3,𝔽3)⋊C9
UCSC1 ◁ C2

271 conjugacy classes of subgroups; only the 33 normal subgroups are shown.

normal subgroups only

This group has 271 conjugacy classes of subgroups — too many to draw. Only its 33 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|a^2=c,b^2=c,e^3=g,e^a=e^2g^2,f^a=f^2,g^a=g^2,h^a=h^2,d^b=d^2,f^b=f^2h,e^d=ef,f^d=fh

Conjugacy classes & character table

78 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 186);