Finite Group Databasebeta
Cayley diagram

C2×#1460 #17347

order256
nilpotency class3
isoclinismisoclinic class of #99
automorphismAut(G) order 131072
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C25×C4

Aliases

direct productC2×#1460

Subgroups

subgroupG/H
centerC22×C4C22⋊C4
commutatorC22C23×C8
Frattini, cosocleC22×C4C24
socleC23C2×C22⋊C4
prime radicalC23×D4C4
LCSG ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

857 conjugacy classes of subgroups; only the 279 normal subgroups are shown.

normal subgroups only

This group has 857 conjugacy classes of subgroups — too many to draw. Only its 279 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) = 18
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 18 points:

(1,2);(3,4,5,8,6,7,9,10)(11,12,14,17,15,18,13,16);(4,7)(5,9);(11,13,15,14)(12,16,18,17)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105576, #105578, #105612, …
maximal normal subgroup of#105576, #105578, #105612, …
maximal quotient ofC2×#7567, C2×#7569, C2×#7571, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10335);