Finite Group Databasebeta
Cayley diagram

#25587

order256
nilpotency class3
isoclinismisoclinic class of #24404
automorphismAut(G) = C22×#72217875 (order 4096) · Inn(G) = C2×#120 · Out(G) = C23×D4
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC24C24
LCSG ▷ C24 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

666 conjugacy classes of subgroups; only the 123 normal subgroups are shown.

normal subgroups only

This group has 666 conjugacy classes of subgroups — too many to draw. Only its 123 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) = 32

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#245617, #245624, #245629, …
maximal normal subgroup of#245617, #245624, #245629, …
maximal quotient of#293279, #293284, #293289, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 18575);