Finite Group Databasebeta

C5×#10424 #11933144

order1280
nilpotency class3
isoclinismisoclinic class of #10078
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#10424

Subgroups

subgroupG/H
center, socleC23×C5#120
commutator, Frattini, cosocleC2×C42C23×C5
prime radicalC5×#2819C2
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C23×C5 ◁ C2×C42×C5 ◁ G

534 conjugacy classes of subgroups; only the 106 normal subgroups are shown.

normal subgroups only

This group has 534 conjugacy classes of subgroups — too many to draw. Only its 106 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) = 640

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

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

Conjugacy classes & character table

170 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 3412);