Finite Group Databasebeta
Cayley diagram

C2×#2837 #36658

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

Aliases

direct productC2×#2837

Subgroups

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

1055 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)(8,10)(11,12)(13,16)(14,15)(17,18)(19,20,23,22)(21,24,25,26);(5,9)(8,10)(12,15)(13,17)(20,22)(24,26);(3,4,6,7)(5,8,9,10)(11,12)(13,18)(14,15)(16,17)(19,21)(20,24)(22,26)(23,25);(3,5)(4,8)(6,9)(7,10)(11,13,14,17)(12,16,15,18)(19,22,23,20)(21,24,25,26)

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2837, #549639, #549642, …
maximal normal subgroup ofC4×#2837, #549639, #549642, …
maximal quotient ofC2×#14628, C2×#14630, C2×#14632, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 29646);