Finite Group Databasebeta
Cayley diagram

C2×#10889 #353903

order512
nilpotency class3
isoclinismisoclinic class of #1909
automorphism?
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C25×C42

Aliases

direct productC2×#10889

Subgroups

subgroupG/H
center, socleC23#386
commutatorC2×C4C22×C42
Frattini, cosocleC23×C4C24
prime radicalC25C2×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C23×C4 ▷ C2 ▷ C1

2102 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Conjugacy classes & character table

116 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#368128, C2×#422761, C2×#368731, …
maximal normal subgroup ofC2×#368128, C2×#422761, C2×#368731, …
maximal quotient ofC2×#123482

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 261099);