Finite Group Databasebeta
Cayley diagram

#24321

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

518 conjugacy classes of subgroups; only the 137 normal subgroups are shown.

normal subgroups only

This group has 518 conjugacy classes of subgroups — too many to draw. Only its 137 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:

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

Polycyclic presentation:

2^8|a^2=eh,b^2=e,d^2=e,f^2=h,g^2=h,b^a=be,c^a=cf,d^a=de,f^a=fh,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#250103, #250109, #250112, …
maximal normal subgroup of#250103, #250109, #250112, …
maximal quotient of#265644, #265645, #265656, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 17309);