Finite Group Databasebeta
Cayley diagram

C22×#1320 #480004

order512
nilpotency class4
isoclinismisoclinic class of AΣL(1,𝔽16)
automorphism?
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C26

Aliases

direct productC22×#1320

Subgroups

subgroupG/H
centerC22×C4#99
commutatorC23C23×C8
Frattini, cosocleC2×M16C24
socleC23#323
prime radicalC26C8
LCSG ▷ C23 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C23×C4 ◁ C23×M16 ◁ G
LECSG ▷ C2×M16 ▷ C2×C4 ▷ C2 ▷ C1

2090 conjugacy classes of subgroups; only the 322 normal subgroups are shown.

normal subgroups only

This group has 2090 conjugacy classes of subgroups — too many to draw. Only its 322 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 20 points:

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

Conjugacy classes & character table

104 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72213784, #72215054, #72216373, …
maximal normal subgroup of#72213784, #72215054, #72216373, …
maximal quotient ofC22×#7105, C2×#129224, #72293302

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 387200);