Finite Group Databasebeta

C5×#8326 #11931046

order1280
nilpotency class3
isoclinismisoclinic class of #8325
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#8326

Subgroups

subgroupG/H
center, socleC22×C5#379
commutatorC22×C4C22×C4×C5
Frattini, cosocleC2×C42C23×C5
prime radicalC2×C5×#540C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

812 conjugacy classes of subgroups; only the 158 normal subgroups are shown.

normal subgroups only

This group has 812 conjugacy classes of subgroups — too many to draw. Only its 158 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)(8,15,17,12)(9,11)(10,14)(13,18)(16,20,21,19)(22,23,25,28,26,29,32,35)(24,27,31,34,30,33,36,37);(7,11)(9,18)(12,19)(13,14)(15,20)(16,21)(22,24)(23,27)(25,31)(26,30)(28,34)(29,33)(32,36)(35,37);(6,8,10,17)(7,12,14,15)(9,16,18,21)(11,19,13,20)(24,30)(27,33)(31,36)(34,37)

Conjugacy classes & character table

230 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1314);