Finite Group Databasebeta

C5×#8802 #11931522

order1280
nilpotency class3
isoclinismisoclinic class of #8603
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C4

Aliases

direct productC5×#8802

Subgroups

subgroupG/H
centerC2×C4×C5#117
commutatorC22×C4C22×C4×C5
Frattini, cosocleC2×C42C23×C5
socleC22×C5#383
prime radicalC23×C5#117
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C2×C5×#97 ◁ G

258 conjugacy classes of subgroups; only the 110 normal subgroups are shown.

normal subgroups only

This group has 258 conjugacy classes of subgroups — too many to draw. Only its 110 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) = 320

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

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

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, 1790);