Finite Group Databasebeta

C5×#13428 #11936148

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

Aliases

direct productC5×#13428

Subgroups

subgroupG/H
center, socleC22×C5B(4,𝔽2)
commutator, Frattini, cosocleC22×Q8C23×C5
prime radicalC23×C5#120
LCSG ▷ C22×Q8 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C5 ◁ C22×C5×Q8 ◁ G

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

normal subgroups only

This group has 444 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)(10,11,14,16)(12,19,18,15)(13,20,22,25)(17,23,24,21);(6,7)(8,9)(10,12,14,18)(11,15,16,19)(13,21,22,23)(17,20,24,25);(6,8,9,7)(10,13,14,22)(11,17,16,24)(12,20,18,25)(15,23,19,21)

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, 6416);