Finite Group Databasebeta

C5×#7195 #11929915

order1280
nilpotency class3
isoclinismisoclinic class of #99
automorphism?
homologyAbelianization (H1) = C4×C5×C16 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#7195

Subgroups

subgroupG/H
centerC42×C5C22⋊C4
commutatorC22C4×C5×C16
Frattini, cosocleC2×C4×C8C22×C5
socleC22×C5#336
prime radicalC23×C5C4×C8
LCSG ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C42×C5 ◁ C2×C4×C5×C8 ◁ G

222 conjugacy classes of subgroups; only the 126 normal subgroups are shown.

normal subgroups only

This group has 222 conjugacy classes of subgroups — too many to draw. Only its 126 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 — 2 generators on 37 points:

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

Conjugacy classes & character table

440 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 183);