Finite Group Databasebeta

#72210708

order2048
nilpotency class5
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#92837
commutatorC2×C4×C16C2×C8
Frattini, cosocle#128207C22
prime radicalC2×#2246C8
LCSG ▷ C2×C4×C16 ▷ C2×C4×C8 ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C42×C8 ◁ #128207 ◁ G
LECSG ▷ #128207 ▷ C42×C8 ▷ C22×C4 ▷ C2 ▷ C1

493 conjugacy classes of subgroups; only the 64 normal subgroups are shown.

normal subgroups only

This group has 493 conjugacy classes of subgroups — too many to draw. Only its 64 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

Polycyclic presentation:

2^11|a^2=hijk,b^2=d,c^2=ehk,d^2=g,e^2=hk,f^2=ik,g^2=jk,h^2=k,i^2=k,b^a=bc,c^a=ce,c^b=cf,d^a=defhk,d^c=dij,e^a=eh,e^b=ei,e^d=ek,f^a=fi,f^b=fj,g^a=ghi,g^c=gk,h^a=hk,h^b=hk,i^a=ik

Conjugacy classes & character table

104 conjugacy classes — view the full character table.

Relationships

maximal quotient of#72210721, #72210730

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", "k");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]);;
gap> SetPower(coll, 1, F.8*F.9*F.10*F.11);;
gap> SetPower(coll, 2, F.4);;
gap> SetPower(coll, 3, F.5*F.8*F.11);;
gap> SetPower(coll, 4, F.7);;
gap> SetPower(coll, 5, F.8*F.11);;
gap> SetPower(coll, 6, F.9*F.11);;
gap> SetPower(coll, 7, F.10*F.11);;
gap> SetPower(coll, 8, F.11);;
gap> SetPower(coll, 9, F.11);;
gap> SetConjugate(coll, 2, 1, F.2*F.3);;
gap> SetConjugate(coll, 3, 1, F.3*F.5);;
gap> SetConjugate(coll, 3, 2, F.3*F.6);;
gap> SetConjugate(coll, 4, 1, F.4*F.5*F.6*F.8*F.11);;
gap> SetConjugate(coll, 4, 3, F.4*F.9*F.10);;
gap> SetConjugate(coll, 5, 1, F.5*F.8);;
gap> SetConjugate(coll, 5, 2, F.5*F.9);;
gap> SetConjugate(coll, 5, 4, F.5*F.11);;
gap> SetConjugate(coll, 6, 1, F.6*F.9);;
gap> SetConjugate(coll, 6, 2, F.6*F.10);;
gap> SetConjugate(coll, 7, 1, F.7*F.8*F.9);;
gap> SetConjugate(coll, 7, 3, F.7*F.11);;
gap> SetConjugate(coll, 8, 1, F.8*F.11);;
gap> SetConjugate(coll, 8, 2, F.8*F.11);;
gap> SetConjugate(coll, 9, 1, F.9*F.11);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);