Finite Group Databasebeta

#72243254

order4374
automorphism?
homologyAbelianization (H1) = C2×C34 · Schur multiplier (H2) = C35

Aliases

No aliases for this group.

Splittings

Fitting, Sylow#14555345 ⋊ C2

Subgroups

subgroupG/H
centerC3C33×AGL(1,ℤ/9)
commutator, cosocleC3×C9C2×C34
Frattini, socleC32C34×D3
Fitting#14555345C2
prime radicalH(3,𝔽3)×AGL(1,ℤ/9)C3
hypercenter#737AGL(1,ℤ/9)
hypocenterC9C2×3−1+4
LCSG ▷ C3×C9 ▷ C9
UCSC1 ◁ C3 ◁ #737

3049 conjugacy classes of subgroups; only the 668 normal subgroups are shown.

normal subgroups only

This group has 3049 conjugacy classes of subgroups — too many to draw. Only its 668 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) = 36
transitive degreeμt(G) = 54

A minimal faithful permutation representation — 4 generators on 36 points:

(2,4)(3,6)(5,8)(7,9)(10,17,29,20,19,18,13,12,28)(11,26,31,21,23,27,14,16,34)(15,32,35,24,30,33,22,25,36);(1,3,8,4,7,9,2,5,6)(10,14,24,13,21,15,20,11,22)(12,23,32,19,26,25,17,16,30)(18,31,36,29,34,33,28,27,35);(3,7,5)(6,9,8)(11,14,21)(15,24,22)(16,23,26)(25,32,30)(27,31,34)(33,36,35);(12,17,19)(16,26,23)(18,29,28)(25,32,30)(27,31,34)(33,35,36)

Polycyclic presentation:

2,3^7|d^3=f,e^3=f^2,g^3=h,d^a=dh^2,d^c=df,e^b=ef^2,g^a=g^2h^2,g^c=gh,h^a=h^2

Conjugacy classes & character table

282 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72243364
maximal normal subgroup of#72243364
maximal quotient of3−1+2×#92265, #72243574, #72243853

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