Finite Group Databasebeta
Cayley diagram

C2×#3054 #60441

order256
nilpotency class3
isoclinismisoclinic class of #468
automorphismAut(G) order 262144
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#3054

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutator, Frattini, cosocleC2×C4C25
socleC23C22×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C24×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1459 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 64

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

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#129715, #129718, #147626, …
maximal normal subgroup of#129715, #129718, #147626, …
maximal quotient ofC2×#19133, C2×#19137, C2×#19142, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53429);