Finite Group Databasebeta
Cayley diagram

#21673

order256
nilpotency class2
isoclinismisoclinic class of #2846
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, cosocleC22×C4C24
commutator, socle, prime radicalC23C23×C4
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

347 conjugacy classes of subgroups; only the 191 normal subgroups are shown.

normal subgroups only

This group has 347 conjugacy classes of subgroups — too many to draw. Only its 191 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) = 256

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

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

Polycyclic presentation:

2^8|a^2=g,b^2=f,c^2=e,d^2=eg,g^2=h,b^a=be,c^a=cf,d^a=dh

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#96843, #96845, #96847, …
maximal normal subgroup of#96843, #96845, #96847, …
maximal quotient of#354517, #354689, #355004, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14661);