Finite Group Databasebeta
Cayley diagram

#24671

order256
nilpotency class3
isoclinismisoclinic class of #24398
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#121
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

393 conjugacy classes of subgroups; only the 117 normal subgroups are shown.

normal subgroups only

This group has 393 conjugacy classes of subgroups — too many to draw. Only its 117 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)(9,10,14,16,13,18,12,17)(11,15,20,23,21,24,19,22);(2,5)(6,7)(9,11)(10,15)(12,19)(13,21)(14,20)(16,23)(17,22)(18,24);(10,16)(11,19)(12,14)(17,18)(20,21)(22,23);(1,3,4,8)(2,6,5,7)

Polycyclic presentation:

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

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#272220, #272222, #272235, …
maximal normal subgroup of#272220, #272222, #272235, …
maximal quotient of#275804, #275809, #275816, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 17659);