Finite Group Databasebeta
Cayley diagram

C2×#2670 #52088

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27×C42

Aliases

direct productC2×#2670

Subgroups

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

2503 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);(4,6)(11,12,14,17)(13,16,18,15);(8,10)(11,13,14,18)(12,15,17,16);(3,4)(5,6)(7,8)(9,10)(11,13)(12,16)(14,18)(15,17);(3,4)(5,6)(11,12)(13,16)(14,17)(15,18)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131609, C2×#12190, C2×#12266, …
maximal normal subgroup of#131609, C2×#12190, C2×#12266, …
maximal quotient ofC2×#14358, C2×#14366, C2×#14377, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45076);