Finite Group Databasebeta
Cayley diagram

C2×#2783 #52224

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

Aliases

direct productC2×#2783

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC25C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

981 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)(20,21)(24,25);(4,7)(8,10)(19,20,23,21)(22,25,26,24);(3,4)(5,8)(6,7)(9,10)(11,12)(13,15)(14,16)(17,18)(19,21,23,20)(22,25,26,24);(3,5,6,9)(4,8,7,10)(11,13,14,18)(12,15,16,17)(19,22)(20,24)(21,25)(23,26)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2783, #528896, #528912, …
maximal normal subgroup ofC4×#2783, #528896, #528912, …
maximal quotient ofC2×#14394, C2×#14399, C2×#14443, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45212);