Finite Group Databasebeta

C4⋊(#126⋊C9) #11919509

order1152
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC4⋊(#126⋊C9)
unambiguous semidirect product#2860⋊C9

Splittings

Sylow#2860 ⋊ C9

Subgroups

subgroupG/H
centerC2×C3C2×#126⋊C3
commutatorC2×C42C22×C9
Frattini, socleC23×C3C22×A4
FittingC3×#2860C3
prime radicalC22×C3×D4A4
cosocleC2×C3×C42C22×C3
hypercenterC3×C4#126⋊C3
hypocenterC42D4×C9
LCSG ▷ C2×C42 ▷ C42
UCSC1 ◁ C2×C3 ◁ C3×C4

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

normal subgroups only

This group has 228 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) = 72

Polycyclic presentation:

2^2,3,2,3,2^4|b^2=d,c^3=e,f^2=i,g^2=h,b^a=bd,c^a=ci,f^a=fhi,g^a=gi,f^c=fg,g^c=fh,h^c=i,i^c=hi

Conjugacy classes & character table

84 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1152, 153520);