Finite Group Databasebeta
Cayley diagram

C2×#8149 #181891

order512
nilpotency class2
isoclinismisoclinic class of #392
automorphism?
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C25×C4

Aliases

direct productC2×#8149

Subgroups

subgroupG/H
centerC22×C42C23
commutatorC23C22×C42
Frattini, cosocleC2×C42C24
socleC24C2×C42
prime radicalC25C42
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

1482 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 22 points:

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

Conjugacy classes & character table

176 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#222144, C2×#229938, C2×#184098, …
maximal normal subgroup ofC2×#222144, C2×#229938, C2×#184098, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 89087);