Finite Group Databasebeta
Cayley diagram

C2×#2839 #36661

order256
nilpotency class2
isoclinismisoclinic class of #2812
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2839

Subgroups

subgroupG/H
center, socle, prime radicalC24C24
commutator, Frattini, cosocleC23C25
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

827 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 5 generators on 26 points:

(1,2);(4,7)(8,10)(11,12)(13,15)(14,16)(17,18)(19,20,23,25)(21,22,24,26);(5,9)(8,10)(11,12,14,16)(13,17,18,15)(19,21)(20,22)(23,24)(25,26);(3,4,6,7)(5,8,9,10)(11,12)(13,17)(14,16)(15,18)(19,22)(20,24)(21,25)(23,26);(3,5)(4,8)(6,9)(7,10)(11,13,14,18)(12,15,16,17)

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2839, #549641, #549644, …
maximal normal subgroup ofC4×#2839, #549641, #549644, …
maximal quotient ofC2×#14629, C2×#14631, C2×#14634, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 29649);