Finite Group Databasebeta
Cayley diagram

C2×#1325 #11446

order256
nilpotency class4
isoclinismisoclinic class of #353
automorphismAut(G) order 16384
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23×C4

Aliases

direct productC2×#1325

Subgroups

subgroupG/H
center, socleC23#99
commutatorC2×C4C22×C8
Frattini, cosocleC2×C4⋊C4C23
prime radicalC24C22⋊C4
LCSG ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24 ◁ C22×C4⋊C4 ◁ G
LECSG ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1

299 conjugacy classes of subgroups; only the 79 normal subgroups are shown.

normal subgroups only

This group has 299 conjugacy classes of subgroups — too many to draw. Only its 79 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 — 3 generators on 18 points:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94101, #94105, #94324, …
maximal normal subgroup of#94101, #94105, #94324, …
maximal quotient ofC2×#7063, #122301, #122307, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 4434);