Finite Group Databasebeta

#72271723

order1536
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Splittings

SylowC3 ⋊ #147779

Subgroups

subgroupG/H
centerC23#5244
commutatorC22×C3×D4C22×C4
FrattiniC23×D4C22×D3
Fitting, prime radicalC2×C3×#2679C2
socleC23×C3B(4,𝔽2)
cosocleC23×C3×D4C23
hypercenterC2×#2679D3
hypocenterC3#147779
LCSG ▷ C22×C3×D4 ▷ C22×C3 ▷ C2×C3 ▷ C3
UCSC1 ◁ C23 ◁ C24 ◁ C23×D4 ◁ C2×#2679

4592 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 192

A minimal faithful permutation representation — 3 generators on 19 points:

(1,2,3)(9,11)(13,16)(17,19);(2,3)(4,5,6,7)(12,13)(14,16)(15,17)(18,19);(8,9)(10,11)(16,19)

Polycyclic presentation:

2^9,3|b^2=e,b^a=bg,c^a=cf,c^b=cd,d^a=dh,f^b=fi,g^c=gh,g^d=gi,h^b=hi,j^b=j^2

Conjugacy classes & character table

126 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD3×#147779
maximal normal subgroup ofD3×#147779
maximal quotient of#72271727

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", "j");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 2, 2, 2, 2, 3]);;
gap> SetPower(coll, 2, F.5);;
gap> SetConjugate(coll, 2, 1, F.2*F.7);;
gap> SetConjugate(coll, 3, 1, F.3*F.6);;
gap> SetConjugate(coll, 3, 2, F.3*F.4);;
gap> SetConjugate(coll, 4, 1, F.4*F.8);;
gap> SetConjugate(coll, 6, 2, F.6*F.9);;
gap> SetConjugate(coll, 7, 3, F.7*F.8);;
gap> SetConjugate(coll, 7, 4, F.7*F.9);;
gap> SetConjugate(coll, 8, 2, F.8*F.9);;
gap> SetConjugate(coll, 10, 2, F.10^2);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);