Finite Group Databasebeta
Cayley diagram

C2×#1781 #20582

order256
nilpotency class3
isoclinismisoclinic class of #1462
automorphismAut(G) order 262144
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×#1781

Subgroups

subgroupG/H
center, socleC23C2×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC24C24
prime radicalC24×D4C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C26 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

3127 conjugacy classes of subgroups; only the 327 normal subgroups are shown.

normal subgroups only

This group has 3127 conjugacy classes of subgroups — too many to draw. Only its 327 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) = 14
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 4 generators on 14 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105808, #105810, #106132, …
maximal normal subgroup of#105808, #105810, #106132, …
maximal quotient ofC2×#8298, C2×#8299, C2×#8301, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13570);