Finite Group Databasebeta
Cayley diagram

C4×#1705 #212880

order512
nilpotency class3
isoclinismisoclinic class of #1705
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C23×C8

Aliases

direct productC4×#1705

Subgroups

subgroupG/H
centerC22×C4#127
commutatorC42C23×C4
Frattini, cosocleC2×C42C24
socleC23C2×#127
prime radicalC2×#127C23
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C4 ◁ C43 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

986 conjugacy classes of subgroups; only the 334 normal subgroups are shown.

normal subgroups only

This group has 986 conjugacy classes of subgroups — too many to draw. Only its 334 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) = 256

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

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

Conjugacy classes & character table

152 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×#1705, C4×#19745, C4×#12364
maximal normal subgroup ofC4×#19745, C4×#12364
maximal quotient ofAGL(1,𝔽5)×#1705, C4×#8813

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 120076);