Finite Group Databasebeta
Cayley diagram

C2×#1376 #12548

order256
nilpotency class3
isoclinismisoclinic class of D8
automorphismAut(G) order 16384
homologyAbelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C24

Aliases

direct productC2×#1376

Subgroups

subgroupG/H
centerC22×C8D4
commutatorC4C2×C4×C8
Frattini, cosocleC22×C8C23
socleC23C4⋊C8
prime radicalC24M16
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C8 ◁ C23×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

335 conjugacy classes of subgroups; only the 183 normal subgroups are shown.

normal subgroups only

This group has 335 conjugacy classes of subgroups — too many to draw. Only its 183 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) = 22
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 22 points:

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

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93382, #93383, #93384, …
maximal normal subgroup of#93382, #93383, #93384, …
maximal quotient ofC2×#7138, #126565, #126578, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5536);