Finite Group Databasebeta

#72246144

order9408
automorphism?
homologyAbelianization (H1) = C23×C3 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Splittings

FittingC72×#120 ⋊ C2×C3
HallC7×#89804 ⋊ C3
Hall#3862 ⋊ B(4,𝔽2)
SylowC72 ⋊ C3×B(4,𝔽2)

Subgroups

subgroupG/H
centerC2#72246048
commutator, cosocleC23×C72C23×C3
FrattiniC23C22×#64422
FittingC72×#120C2×C3
socleC2×C72C3×#120
hypercenter#120#64422
hypocenterC72C3×B(4,𝔽2)
LCSG ▷ C23×C72 ▷ C2×C72 ▷ C72
UCSC1 ◁ C2 ◁ C23 ◁ #120

857 conjugacy classes of subgroups; only the 105 normal subgroups are shown.

normal subgroups only

This group has 857 conjugacy classes of subgroups — too many to draw. Only its 105 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) = 168

Polycyclic presentation:

2^3,3,2^3,7^2|a^2=g,c^a=cf,c^b=ce,e^a=eg,f^b=fg,h^a=h^6,h^d=h^2,i^a=h^4i,i^d=h^4i^4

Conjugacy classes & character table

178 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72246153
maximal normal subgroup of#72246153

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", "i");;
gap> coll := SingleCollector(F, [2, 2, 2, 3, 2, 2, 2, 7, 7]);;
gap> SetPower(coll, 1, F.7);;
gap> SetConjugate(coll, 3, 1, F.3*F.6);;
gap> SetConjugate(coll, 3, 2, F.3*F.5);;
gap> SetConjugate(coll, 5, 1, F.5*F.7);;
gap> SetConjugate(coll, 6, 2, F.6*F.7);;
gap> SetConjugate(coll, 8, 1, F.8^6);;
gap> SetConjugate(coll, 8, 4, F.8^2);;
gap> SetConjugate(coll, 9, 1, F.8^4*F.9);;
gap> SetConjugate(coll, 9, 4, F.8^4*F.9^4);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);