Finite Group Databasebeta
Cayley diagram

C2×#2283 #34009

order256
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 4194304
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28×C4

Aliases

direct productC2×#2283

Subgroups

subgroupG/H
centerC23×C4C23
commutatorC22C24×C4
Frattini, cosocleC23C25
socleC24C24
prime radicalC25C23
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C23×C4 ◁ G
LECSG ▷ C23 ▷ C1

1623 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 22 points:

(1,2);(3,4,5,6)(7,8)(9,12)(10,11)(13,14)(15,16)(17,19)(18,20)(21,22);(8,11)(12,14)(15,17,18,21)(16,19,20,22);(16,20)(19,22);(7,9,10,13)(8,12,11,14)

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105485, #105531, #105534, …
maximal normal subgroup of#105485, #105531, #105534, …
maximal quotient ofC2×#13753, C2×#13755, C2×#13757, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26997);