Finite Group Databasebeta

C5×#9440 #11932160

order1280
nilpotency class3
isoclinismisoclinic class of #9431
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#9440

Subgroups

subgroupG/H
center, socleC22×C5#386
commutatorC42C22×C4×C5
Frattini, cosocleC2×C42C23×C5
prime radicalC23×C5#120
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

434 conjugacy classes of subgroups; only the 118 normal subgroups are shown.

normal subgroups only

This group has 434 conjugacy classes of subgroups — too many to draw. Only its 118 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)(6,7,10,14,11,15,9,12)(8,16,18,13,19,20,17,21)(22,23)(24,32,25,28)(26,31)(27,30)(29,34,36,33)(35,37);(7,12,15,14)(13,16,21,20)(22,24,26,25)(23,28)(27,34,35,33)(29,30)(31,32)(36,37);(6,8)(7,13)(9,17)(10,18)(11,19)(12,16)(14,20)(15,21)(22,25,26,24)(23,29,31,36)(27,33,35,34)(28,30,32,37)

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, 2428);