Finite Group Databasebeta
Cayley diagram

C2×#2781 #52222

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C26×C4

Aliases

direct productC2×#2781

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2781, #528834, #528863, …
maximal normal subgroup ofC4×#2781, #528834, #528863, …
maximal quotient ofC2×#14393, C2×#14398, C2×#14399, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45210);