Finite Group Databasebeta

#72341874

order1536
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

FittingC25×C8 ⋊ D3

Subgroups

subgroupG/H
centerC22C4⋊#1020
commutatorC4×C22⋊A4C2×C4
FrattiniC2×C4C2×#1020
FittingC25×C8D3
socleC26D12
prime radicalC2×C4⋊#1020C2
cosocleC2×C4×C22⋊A4C22
hypercenterC2×C8#1020
hypocenterC22⋊A4#102
LCSG ▷ C4×C22⋊A4 ▷ C2×C22⋊A4 ▷ C22⋊A4
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×C8

2870 conjugacy classes of subgroups; only the 59 normal subgroups are shown.

normal subgroups only

This group has 2870 conjugacy classes of subgroups — too many to draw. Only its 59 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:

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

Polycyclic presentation:

2^5,3,2^4|a^2=c,b^2=cde,d^2=e,b^a=bd,d^a=de,f^a=f^2,g^a=h,g^f=h,h^a=g,h^f=gh,i^a=ij,i^f=j,j^f=ij

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal quotient of#72341879, #72341903

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