Finite Group Databasebeta

C5×#11911 #11934631

order1280
nilpotency class4
isoclinismisoclinic class of #1355
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#11911

Subgroups

subgroupG/H
centerC4×C5#329
commutatorC42C22×C4×C5
Frattini, cosocle#97C23×C5
socleC2×C5C2×#329
prime radicalC5×#532C4
LCSG ▷ C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4×C5 ◁ C22×C4×C5 ◁ C2×C5×#97 ◁ G

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

normal subgroups only

This group has 318 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) = 37
transitive degreeμt(G) = 160

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

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

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 4899);