Finite Group Databasebeta
Cayley diagram

C2×#2753 #52190

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C25×C42

Aliases

direct productC2×#2753

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC2×#392C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1327 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)(13,15)(14,16)(17,18)(19,20,22,24)(21,25,26,23);(12,13)(14,18)(21,26)(23,25);(3,4,6,7)(5,8,9,10)(11,13,15,12)(14,17,18,16)(19,21,22,26)(20,23,24,25);(3,5)(4,8)(6,9)(7,10)(11,14,15,18)(12,16,13,17)(19,20)(21,23)(22,24)(25,26)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2753, #528715, #528919, …
maximal normal subgroup ofC4×#2753, #528715, #528919, …
maximal quotient ofC2×#14377, C2×#14412, C2×#14428, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45178);