Finite Group Databasebeta

C5×#8507 #11931227

order1280
nilpotency class3
isoclinismisoclinic class of #1655
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#8507

Subgroups

subgroupG/H
center, socleC23×C5#120
commutatorC42C22×C4×C5
Frattini, cosocleC2×C42C23×C5
prime radicalC22×C5×D4D4
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23×C5 ◁ C2×C42×C5 ◁ G

736 conjugacy classes of subgroups; only the 158 normal subgroups are shown.

normal subgroups only

This group has 736 conjugacy classes of subgroups — too many to draw. Only its 158 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) = 33
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 3 generators on 33 points:

(1,2,3,4,5)(6,7)(8,9)(11,14,15,16)(18,19,23,25,22,21,29,30)(20,24,28,32,27,26,31,33);(10,11)(12,16)(13,15)(14,17)(18,20,22,27)(19,24,21,26)(23,31,29,28)(25,33,30,32);(7,9)(12,17)(14,16)(18,21)(19,22)(20,26)(23,25)(24,27)(28,32)(29,30)(31,33)

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1495);