Finite Group Databasebeta

#72243522

order4374
automorphism?
homologyAbelianization (H1) = C2×C32 · Schur multiplier (H2) = C3

Aliases

No aliases for this group.

Splittings

Fitting, SylowC9×#6894 ⋊ C2

Subgroups

subgroupG/H
centerC3C3×#92299
commutator, cosocleC3×C92C2×C32
Frattini, socleC33C32×C3⋊D3
FittingC9×#6894C2
prime radicalC32×C9⋊D9C3
hypercenterC32#92299
hypocenterC92C2×3−1+2
LCSG ▷ C3×C92 ▷ C92
UCSC1 ◁ C3 ◁ C32

784 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 784 conjugacy classes of subgroups — too many to draw. Only its 98 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) = 486

Polycyclic presentation:

2,3^7|b^3=d,e^3=g,f^3=h,c^b=cd,e^a=e^2g^2,e^b=eg^2,f^a=f^2h^2,f^b=fg,g^a=g^2,h^a=h^2

Conjugacy classes & character table

246 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72243535, D9×#6894⋊C2
maximal normal subgroup of#72243535, D9×#6894⋊C2

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from its polycyclic presentation:

gap> F := FreeGroup(IsSyllableWordsFamily, "a", "b", "c", "d", "e", "f", "g", "h");;
gap> coll := SingleCollector(F, [2, 3, 3, 3, 3, 3, 3, 3]);;
gap> SetPower(coll, 2, F.4);;
gap> SetPower(coll, 5, F.7);;
gap> SetPower(coll, 6, F.8);;
gap> SetConjugate(coll, 3, 2, F.3*F.4);;
gap> SetConjugate(coll, 5, 1, F.5^2*F.7^2);;
gap> SetConjugate(coll, 5, 2, F.5*F.7^2);;
gap> SetConjugate(coll, 6, 1, F.6^2*F.8^2);;
gap> SetConjugate(coll, 6, 2, F.6*F.7);;
gap> SetConjugate(coll, 7, 1, F.7^2);;
gap> SetConjugate(coll, 8, 1, F.8^2);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);