Finite Group Databasebeta
Cayley diagram

C2×#3490 #62766

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

Aliases

direct productC2×#3490

Subgroups

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

4751 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 32

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

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#8346, #185249, #185255, …
maximal normal subgroup ofC2×#8346, #185249, #185255, …
maximal quotient ofC2×#34176, C2×#34251, C2×#34198, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55754);