Finite Group Databasebeta

C5×#9505 #11932225

order1280
nilpotency class3
isoclinismisoclinic class of #9495
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#9505

Subgroups

subgroupG/H
center, socleC22×C5#386
commutatorC24C22×C4×C5
Frattini, cosocleC23×C4C23×C5
prime radicalC22×C5×D4C2×C4
LCSG ▷ C24 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C4×C5 ◁ G

684 conjugacy classes of subgroups; only the 126 normal subgroups are shown.

normal subgroups only

This group has 684 conjugacy classes of subgroups — too many to draw. Only its 126 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) = 320

A minimal faithful permutation representation — 3 generators on 29 points:

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

Conjugacy classes & character table

185 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 2493);