Finite Group Databasebeta
Cayley diagram

C2×#2678 #52097

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28×C4

Aliases

direct productC2×#2678

Subgroups

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

2525 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 18 points:

(1,2);(3,4,5,6)(11,12)(13,17)(14,15)(16,18);(8,10)(12,15)(13,18);(3,4)(5,6)(7,8)(9,10)(11,12)(13,16)(14,15)(17,18);(3,4)(5,6)(11,13)(12,16)(14,18)(15,17)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2678, #528168, #528219, …
maximal normal subgroup ofC4×#2678, #528168, #528219, …
maximal quotient ofC2×#14357, C2×#14358, C2×#14359, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45085);