Finite Group Databasebeta
Cayley diagram

C2×#3506 #62769

order256
nilpotency class2
isoclinismisoclinic class of #3484
automorphism?
homologyAbelianization (H1) = C26 · Schur multiplier (H2) = C213

Aliases

direct productC2×#3506

Subgroups

subgroupG/H
center, socleC23C25
commutator, Frattini, cosocleC22C26
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C22 ▷ C1

3997 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 6 generators on 18 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#185086, #185087, #185099, …
maximal normal subgroup of#185086, #185087, #185099, …
maximal quotient ofC2×#34186, C2×#34252, C2×#34223, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55757);