Finite Group Databasebeta

#72258338

order1536
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Splittings

FittingC22×#458 ⋊ D3

Subgroups

subgroupG/H
center, hypercenterC2#87588⋊C2
commutator, cosocle, hypocenterC22⋊#997C22
FrattiniC23C2×#1020
FittingC22×#458D3
socleC23#1020⋊C2
prime radical#11715850C2
LCSG ▷ C22⋊#997
UCSC1 ◁ C2

1382 conjugacy classes of subgroups; only the 20 normal subgroups are shown.

normal subgroups only

This group has 1382 conjugacy classes of subgroups — too many to draw. Only its 20 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) = 20
transitive degreeμt(G) = 48

A minimal faithful permutation representation — 2 generators on 20 points:

(1,3,2)(5,6,9,12)(7,16,20,10,8,19,15,11,14,13,17,18);(3,4)(5,7,14,8)(6,10,18,11)(9,15,20,17)(12,13,19,16)

Polycyclic presentation:

2^2,3,2^7|b^2=j,c^a=c^2,d^a=e,d^b=dhj,d^c=e,e^a=d,e^b=eij,e^c=de,f^c=g,g^a=fg,g^c=fg,h^a=i,h^c=i,h^e=hj,i^a=h,i^c=hi,i^d=ij

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72258360, #72311983
maximal normal subgroup of#72258360, #72311983

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