Finite Group Databasebeta

C5×#13427 #11936147

order1280
nilpotency class4
isoclinismisoclinic class of #13357
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#13427

Subgroups

subgroupG/H
center, socleC22×C5B(4,𝔽2)
commutator, Frattini, cosocleC22×Q8C23×C5
prime radicalC22×C5×D4D4
LCSG ▷ C22×Q8 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C5 ◁ C22×C5×Q8 ◁ G

462 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 462 conjugacy classes of subgroups — too many to draw. Only its 90 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) = 25
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 25 points:

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

Conjugacy classes & character table

155 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 6415);