Finite Group Databasebeta

C5×#9517 #11932237

order1280
nilpotency class3
isoclinismisoclinic class of #9495
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#9517

Subgroups

subgroupG/H
center, socleC22×C5#386
commutatorC24C22×C4×C5
Frattini, cosocleC23×C4C23×C5
prime radicalC22×C5×D4C2×C4
LCSG ▷ C24 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C4×C5 ◁ G

520 conjugacy classes of subgroups; only the 122 normal subgroups are shown.

normal subgroups only

This group has 520 conjugacy classes of subgroups — too many to draw. Only its 122 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)(6,7,9,13,10,12,14,20)(8,11,16,18,15,19,17,21)(22,23)(24,27,31,35)(25,32,33,28)(26,29)(30,34)(36,37);(6,8,14,16,10,15,9,17)(7,11,13,21,12,19,20,18)(22,24,26,31)(23,27)(25,30,33,36)(28,34)(29,35)(32,37);(22,25)(23,28)(24,30)(26,33)(27,34)(29,32)(31,36)(35,37)

Conjugacy classes & character table

185 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 2505);