Finite Group Databasebeta
Cayley diagram

C2×#3494 #62797

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

Aliases

direct productC2×#3494

Subgroups

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

4003 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)(5,9)(6,7)(8,10)(13,17)(15,18);(4,7)(8,9)(11,12,14,16)(13,15,17,18);(11,13)(12,15)(14,17)(16,18);(3,4)(5,8)(6,7)(9,10);(3,5,6,10)(4,8,7,9)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#184991, #184993, #185067, …
maximal normal subgroup of#184991, #184993, #185067, …
maximal quotient ofC2×#34180, C2×#34253, C2×#34255, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55785);