Finite Group Databasebeta
Cayley diagram

C2×#2796 #52253

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2796

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC23×D4C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1165 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2796, #528978, #529055, …
maximal normal subgroup ofC4×#2796, #528978, #529055, …
maximal quotient ofC2×#14428, C2×#14429, C2×#14457, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45241);