Finite Group Databasebeta

C5×#12420 #11935140

order1280
nilpotency class4
isoclinismisoclinic class of #12416
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C2

Aliases

direct productC5×#12420

Subgroups

subgroupG/H
center, socleC22×C5#459
commutator, Frattini, cosocleC4×C8C23×C5
prime radicalC2×C5×D8D4
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C5×C82 ◁ G

234 conjugacy classes of subgroups; only the 86 normal subgroups are shown.

normal subgroups only

This group has 234 conjugacy classes of subgroups — too many to draw. Only its 86 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 — 3 generators on 29 points:

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

Conjugacy classes & character table

215 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5408);