Finite Group Databasebeta
Cayley diagram

C2×#3511 #62799

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

Aliases

direct productC2×#3511

Subgroups

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

3879 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#184997, #184998, #185196, …
maximal normal subgroup of#184997, #184998, #185196, …
maximal quotient ofC2×#34188, C2×#34253, C2×#34207, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55787);