Finite Group Databasebeta
Cayley diagram

C2×#2541 #34923

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 4194304
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29×C4

Aliases

direct productC2×#2541

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

2931 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 14
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 14 points:

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97401, #98529, #111595, …
maximal normal subgroup of#97401, #98529, #111595, …
maximal quotient ofC2×#13906, C2×#13910, C2×#13998, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27911);