Finite Group Databasebeta
Cayley diagram

C2×#1966 #21216

order256
nilpotency class3
isoclinismisoclinic class of #1468
automorphismAut(G) order 262144
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4

Aliases

direct productC2×#1966

Subgroups

subgroupG/H
center, socleC23C2×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
prime radicalC24C22×C4
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

759 conjugacy classes of subgroups; only the 263 normal subgroups are shown.

normal subgroups only

This group has 759 conjugacy classes of subgroups — too many to draw. Only its 263 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) = 128

A minimal faithful permutation representation — 4 generators on 22 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105768, #107221, #110099, …
maximal normal subgroup of#105768, #107221, #110099, …
maximal quotient ofC2×#9650, #204166, C2×#9654, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14204);