Finite Group Databasebeta

C5×#21684 #11944404

order1280
nilpotency class2
isoclinismisoclinic class of #2613
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C24×C4

Aliases

direct productC5×#21684

Subgroups

subgroupG/H
centerC22×C4×C5C24
commutatorC23C23×C4×C5
Frattini, cosocleC22×C4C24×C5
socleC23×C5C23×C4
prime radicalC5×#2397C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4×C5 ◁ G

1154 conjugacy classes of subgroups; only the 390 normal subgroups are shown.

normal subgroups only

This group has 1154 conjugacy classes of subgroups — too many to draw. Only its 390 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) = 29
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 4 generators on 29 points:

(1,2,3,4,5)(7,9)(11,13)(14,15,18,17,19,21,26,25)(16,20,24,23,22,27,29,28);(6,7,8,9)(14,16)(15,20)(17,23)(18,24)(19,22)(21,27)(25,28)(26,29);(10,11,12,13)(16,22)(20,27)(23,28)(24,29);(14,17,18,21,19,25,26,15)(16,23,24,27,22,28,29,20)

Conjugacy classes & character table

320 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 14672);