Finite Group Databasebeta

C5×#8801 #11931521

order1280
nilpotency class3
isoclinismisoclinic class of #1812
automorphism?
homologyAbelianization (H1) = C22×C5×C8 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#8801

Subgroups

subgroupG/H
centerC2×C4×C5#117
commutatorC2×C4C22×C5×C8
Frattini, cosocleC2×C42C23×C5
socleC22×C5#383
prime radicalC23×C5#117
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C2×C5×#97 ◁ G

306 conjugacy classes of subgroups; only the 142 normal subgroups are shown.

normal subgroups only

This group has 306 conjugacy classes of subgroups — too many to draw. Only its 142 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)(6,7,9,11,8,10,12,13)(14,15)(16,24,27,28)(17,20)(18,22)(19,23)(21,26,29,25);(15,20,23,22)(21,28,29,24);(7,10)(11,13)(14,16,17,25,19,27,18,26)(15,21,22,24,23,29,20,28)

Conjugacy classes & character table

320 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1789);