Finite Group Databasebeta
Cayley diagram

#24145

order256
nilpotency class3
isoclinismisoclinic class of #23876
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC22×C4C24
prime radicalC2×AGL(1,ℤ/8)C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

519 conjugacy classes of subgroups; only the 125 normal subgroups are shown.

normal subgroups only

This group has 519 conjugacy classes of subgroups — too many to draw. Only its 125 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) = 24
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 24 points:

(1,2)(3,7)(4,5)(6,8)(9,10,13,16)(11,14,18,23)(12,20,21,15)(17,24,19,22);(2,5)(6,7)(9,11)(10,14)(12,17)(13,18)(15,22)(16,23)(19,21)(20,24);(11,17)(12,21)(14,22)(15,20)(18,19)(23,24);(1,3,4,8)(2,6,5,7)

Polycyclic presentation:

2^8|a^2=h,d^2=e,g^2=h,b^a=be,c^a=cf,d^a=de,g^a=gh,c^b=cg,f^b=fh,g^b=gh,g^c=gh

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#250136, #250142, #250143, …
maximal normal subgroup of#250136, #250142, #250143, …
maximal quotient of#257972, #257977, #257984, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 17133);