Finite Group Databasebeta

C5×#13492 #11936212

order1280
nilpotency class4
isoclinismisoclinic class of #13304
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#13492

Subgroups

subgroupG/H
center, socleC23×C5C2×D8
commutator, Frattini, cosocleC22×C8C23×C5
prime radicalC24×C5D8
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C23×C4×C5 ◁ C23×C5×C8 ◁ G

342 conjugacy classes of subgroups; only the 122 normal subgroups are shown.

normal subgroups only

This group has 342 conjugacy classes of subgroups — too many to draw. Only its 122 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)(10,11)(12,15)(13,14)(16,17)(18,19,20,24,28,32,33,31,22,26,29,30,21,25,27,23);(6,7)(8,9)(11,14)(15,17);(7,9)(10,12,13,16)(11,15,14,17)(19,23)(20,27)(21,28)(24,25)(26,31)(29,33)(30,32)

Conjugacy classes & character table

260 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 6480);