Finite Group Databasebeta
Cayley diagram

C8×#99 #8159

order256
nilpotency class3
isoclinismisoclinic class of #99
automorphismAut(G) order 4096
homologyAbelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C23×C4

Aliases

direct productC8×#99

Subgroups

subgroupG/H
centerC2×C8C22⋊C4
commutatorC22C2×C4×C8
Frattini, cosocleC23×C4C23
socleC22C4×C22⋊C4
prime radicalC22×D4C2×C4
LCSG ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C8 ◁ C23×C8 ◁ G
LECSG ▷ C23×C4 ▷ C22 ▷ C1

307 conjugacy classes of subgroups; only the 115 normal subgroups are shown.

normal subgroups only

This group has 307 conjugacy classes of subgroups — too many to draw. Only its 115 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) = 16
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 16 points:

(1,2,3,5,4,6,7,8);(9,10)(11,15,16,13)(12,14);(9,11)(10,13)(12,16)(14,15)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#92996, #92997, #93008, …
maximal normal subgroup of#92996, #92997, #93008, …
maximal quotient ofC8×#323, C8×#324, #96674, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 1147);