Finite Group Databasebeta

C5×#11745 #11934465

order1280
nilpotency class4
isoclinismisoclinic class of #11704
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#11745

Subgroups

subgroupG/H
center, socleC22×C5C2×#102
commutatorC2×C8C22×C4×C5
Frattini, cosocleC22×C8C23×C5
prime radicalC23×C5C2×D8
LCSG ▷ C2×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G

346 conjugacy classes of subgroups; only the 122 normal subgroups are shown.

normal subgroups only

This group has 346 conjugacy classes of subgroups — too many to draw. Only its 122 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) = 320

A minimal faithful permutation representation — 3 generators on 29 points:

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

Conjugacy classes & character table

230 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 4733);