Finite Group Databasebeta
Cayley diagram

C2×#3247 #60896

order256
nilpotency class3
isoclinismisoclinic class of #3186
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3247

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1105 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 5 generators on 18 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#112405, #112425, #112491, …
maximal normal subgroup of#112405, #112425, #112491, …
maximal quotient ofC2×#21887, C2×#21888, C2×#21962, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53884);