Finite Group Databasebeta

#72243931

order8748
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2×C33

Aliases

No aliases for this group.

Splittings

Fitting, SylowC3×#10624930 ⋊ C22
derivedC32×AΣL(1,𝔽27) ⋊ C22×C3

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, cosocle, hypocenterC32×AΣL(1,𝔽27)C22×C3
FrattiniC32C3×D3×C3⋊(C3⋊D3)
FittingC3×#10624930C22
socleC32C3×((C3⋊D3)⋊C3)⋊D3
LCSG ▷ C32×AΣL(1,𝔽27)
UCSC1

5090 conjugacy classes of subgroups; only the 192 normal subgroups are shown.

normal subgroups only

This group has 5090 conjugacy classes of subgroups — too many to draw. Only its 192 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 30
transitive degreeμt(G) = 81

A minimal faithful permutation representation — 4 generators on 30 points:

(2,3)(4,5,9)(6,21,27,12,11,30)(7,10,19,8,16,17)(13,26,25,22,20,29)(14,28,15,23,18,24);(1,2,3)(5,19)(9,10)(11,25)(14,27)(16,17)(18,20)(21,30)(23,28)(26,29);(4,6,12)(5,11,21)(7,15,22)(8,13,24)(9,18,28)(10,20,23)(14,26,16)(17,27,29)(19,25,30);(5,10,16)(9,17,19)(11,20,14)(18,27,25)(21,23,26)(28,29,30)

Polycyclic presentation:

2^2,3^7|d^b=d^2,e^a=e^2,e^d=eh,f^b=f^2,f^c=fi,f^e=fh^2,g^a=gh^2i^2,g^b=g^2,g^e=gi^2,h^a=h^2i,h^b=h^2,h^e=hi,i^b=i^2

Conjugacy classes & character table

171 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72243959, D3×#72221953
maximal normal subgroup of#72243959, D3×#72221953

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