Finite Group Databasebeta

#72243969

order8748
automorphism?
homologyAbelianization (H1) = C22×C32 · Schur multiplier (H2) = C2×C33

Aliases

No aliases for this group.

Splittings

Fitting, Sylow#14552186 ⋊ C22
derivedC33×C9 ⋊ C22×C32

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, cosocle, hypocenterC33×C9C22×C32
Frattini, socleC33C32×D32
Fitting#14552186C22
LCSG ▷ C33×C9
UCSC1

2437 conjugacy classes of subgroups; only the 99 normal subgroups are shown.

normal subgroups only

This group has 2437 conjugacy classes of subgroups — too many to draw. Only its 99 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) = 27
transitive degreeμt(G) = 162

A minimal faithful permutation representation — 2 generators on 27 points:

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

Polycyclic presentation:

2^2,3^7|f^3=i,e^a=e^2,e^c=eg,f^b=f^2i^2,f^c=fh,f^d=fi,g^a=g^2,h^b=h^2,i^b=i^2

Conjugacy classes & character table

138 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72243996

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