Finite Group Databasebeta

C5×#9863 #11932583

order1280
nilpotency class3
isoclinismisoclinic class of #1714
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#9863

Subgroups

subgroupG/H
centerC2×C4×C5#127
commutatorC42C22×C4×C5
Frattini, cosocleC2×C42C23×C5
socleC22×C5#390
prime radicalC5×#532C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C2×C42×C5 ◁ G

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

normal subgroups only

This group has 412 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) = 37
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 3 generators on 37 points:

(1,2,3,4,5)(6,7)(8,14)(9,17)(10,12)(11,15)(13,18)(16,20)(19,21)(22,23,26,30,27,31,25,28)(24,32,35,29,33,36,34,37);(6,8,9,15,10,16,18,21)(7,11,13,14,12,19,17,20)(23,28,31,30)(24,33)(29,36,37,32)(34,35);(7,12)(11,19)(13,17)(14,20)(22,24,25,34,27,33,26,35)(23,29,30,36,31,37,28,32)

Conjugacy classes & character table

260 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 2851);