Finite Group Databasebeta
Cayley diagram

C2×#2671 #52089

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#2671

Subgroups

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

2021 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2671, #528159, #528163, …
maximal normal subgroup ofC4×#2671, #528159, #528163, …
maximal quotient ofC2×#14359, C2×#14361, C2×#14363, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45077);