Finite Group Databasebeta

C5×#8771 #11931491

order1280
nilpotency class3
isoclinismisoclinic class of #8760
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#8771

Subgroups

subgroupG/H
center, socleC22×C5#381
commutatorC22×C4C22×C4×C5
Frattini, cosocleC2×C42C23×C5
prime radicalC22×C5×D4D4
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

426 conjugacy classes of subgroups; only the 126 normal subgroups are shown.

normal subgroups only

This group has 426 conjugacy classes of subgroups — too many to draw. Only its 126 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)(7,10)(8,11)(12,13)(14,15,20,24,18,25,19,23)(16,21,26,22,17,27,28,29);(6,7,9,10)(8,11,12,13)(14,16,18,17)(15,21,25,27)(19,26,20,28)(22,24,29,23);(6,8)(7,11)(9,12)(10,13)(14,17,18,16)(15,22)(19,28,20,26)(21,24)(23,27)(25,29)

Conjugacy classes & character table

215 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1759);