Finite Group Databasebeta

C5×#13423 #11936143

order1280
nilpotency class4
isoclinismisoclinic class of #13343
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#13423

Subgroups

subgroupG/H
center, socleC22×C5B(4,𝔽2)
commutator, Frattini, cosocleC22×D4C23×C5
prime radicalC2×C5×#127C22
LCSG ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C5 ◁ C22×C5×D4 ◁ G

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

normal subgroups only

This group has 558 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) = 160

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

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

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, 6411);