Finite Group Databasebeta

C5×#11649 #11934369

order1280
nilpotency class4
isoclinismisoclinic class of #2184
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#11649

Subgroups

subgroupG/H
centerC2×C4×C5C2×D8
commutatorC2×C8C22×C4×C5
Frattini, cosocleC4×C8C23×C5
socleC22×C5C2×#102
prime radicalC5×#3169C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G

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

normal subgroups only

This group has 348 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) = 640

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

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

Conjugacy classes & character table

290 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 4637);