Finite Group Databasebeta
Cayley diagram

C8×#126 #21664

order256
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 24576
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C24

Aliases

direct productC8×#126

Subgroups

subgroupG/H
centerC22×C8C23
commutatorC22C23×C8
Frattini, cosocleC22×C4C24
socleC23C23×C4
prime radicalC24C22×C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

393 conjugacy classes of subgroups; only the 215 normal subgroups are shown.

normal subgroups only

This group has 393 conjugacy classes of subgroups — too many to draw. Only its 215 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:

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

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC8×#126⋊C3
maximal subgroup ofC16×#126, #496070, #496073, …
maximal normal subgroup ofC16×#126, #496070, #496073, …
maximal quotient ofC8×#388, C8×#387, C8×#383, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14652);