Finite Group Databasebeta

C5×#9780 #11932500

order1280
nilpotency class3
isoclinismisoclinic class of #9758
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C22×C8

Aliases

direct productC5×#9780

Subgroups

subgroupG/H
center, socleC22×C5#390
commutatorC42C22×C4×C5
Frattini, cosocleC2×C42C23×C5
prime radicalC2×C5×#493C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

558 conjugacy classes of subgroups; only the 142 normal subgroups are shown.

normal subgroups only

This group has 558 conjugacy classes of subgroups — too many to draw. Only its 142 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)(9,13)(10,11)(14,15,19,23,20,22,18,16)(17,25,27,29,28,24,26,21);(6,8,12,7,10,13,9,11)(14,16,19,22,20,23,18,15)(17,25,27,21,28,24,26,29);(7,11)(8,13)(14,17,18,26,20,28,19,27)(15,21,23,25,22,29,16,24)

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, 2768);