Finite Group Databasebeta

C5×#20772 #11943492

order1280
nilpotency class2
isoclinismisoclinic class of #2846
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#20772

Subgroups

subgroupG/H
centerC22×C4×C5C24
commutatorC23C23×C4×C5
Frattini, cosocleC22×C4C24×C5
socleC23×C5C23×C4
prime radicalC24×C5C22×C4
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4×C5 ◁ G

1062 conjugacy classes of subgroups; only the 462 normal subgroups are shown.

normal subgroups only

This group has 1062 conjugacy classes of subgroups — too many to draw. Only its 462 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)(6,7)(8,13)(9,11)(10,12)(14,15)(16,18)(17,19)(20,21)(22,23,24,27,25,26,28,29);(6,8,10,9)(7,11,12,13)(14,16,17,20)(15,18,19,21);(6,9,10,8)(7,11,12,13)(15,19)(18,21);(23,26)(27,29)

Conjugacy classes & character table

440 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 13760);