Finite Group Databasebeta
Cayley diagram

#27755

order256
nilpotency class3
isoclinismisoclinic class of #24269
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radical#2541C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C4×C4⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 443 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) = 128

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#311136, #311144, #311152, …
maximal normal subgroup of#311136, #311144, #311152, …
maximal quotient of#360401, #363087, #366419, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 20743);