Finite Group Databasebeta
Cayley diagram

C2×#3505 #62767

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

Aliases

direct productC2×#3505

Subgroups

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

4041 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);(11,13,14,17)(12,15,16,18);(3,4)(5,8)(6,7)(9,10);(3,5)(4,8)(6,10)(7,9)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#185079, #185080, #185082, …
maximal normal subgroup of#185079, #185080, #185082, …
maximal quotient ofC2×#34185, C2×#34251, C2×#34205, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55755);