Finite Group Databasebeta

C4⋊#92302 #14517528

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

Aliases

unambiguous semidirect productC4⋊#92302

Splittings

FittingC4×#6891 ⋊ C2
Sylow#6891 ⋊ D4

Subgroups

subgroupG/H
centerC2×C3C2×C3⋊AGL(1,ℤ/9)
commutator, cosocleC2×C32⋊C9C22×C3
Frattini, socleC2×C32C2×C3×C3⋊D3
FittingC4×#6891C2
hypercenterC3×C4C3⋊AGL(1,ℤ/9)
hypocenterC32⋊C9C3×D4
LCSG ▷ C2×C32⋊C9 ▷ C32⋊C9
UCSC1 ◁ C2×C3 ◁ C3×C4

553 conjugacy classes of subgroups; only the 69 normal subgroups are shown.

normal subgroups only

This group has 553 conjugacy classes of subgroups — too many to draw. Only its 69 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) = 72

Polycyclic presentation:

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

Conjugacy classes & character table

129 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72228541, D4×#92302, #72259315, …
maximal normal subgroup ofD4×#92302, #72259315, #72259319

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 1922);