Finite Group Databasebeta

#72226354

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23#1898
commutatorC26C22×C4
Frattini, cosocleC24×D4C23
prime radicalC2×#15258C2
LCSG ▷ C26 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C25 ◁ C23×#127 ◁ G
LECSG ▷ C24×D4 ▷ C23 ▷ C2 ▷ C1

11873 conjugacy classes of subgroups; only the 197 normal subgroups are shown.

normal subgroups only

This group has 11873 conjugacy classes of subgroups — too many to draw. Only its 197 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) = 64

A minimal faithful permutation representation — 3 generators on 20 points:

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

Polycyclic presentation:

2^10|a^2=d,b^a=be,c^a=cg,c^b=cf,d^b=dh,d^c=di,e^a=eh,e^c=eij,e^d=ej,f^a=fij,g^a=gi,h^a=hj

Conjugacy classes & character table

82 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72226359, #72266720, #72266721
maximal normal subgroup of#72226359, #72266720, #72266721
maximal quotient of#72226355

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