Finite Group Databasebeta

C5×#7146 #11929866

order1280
nilpotency class3
isoclinismisoclinic class of #1284
automorphism?
homologyAbelianization (H1) = C4×C5×C8 · Schur multiplier (H2) = C22

Aliases

direct productC5×#7146

Subgroups

subgroupG/H
centerC2×C4×C5#95
commutatorC2×C4C4×C5×C8
Frattini, cosocleC2×C4×C8C22×C5
socleC22×C5#336
prime radicalC23×C5C4⋊C8
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C2×C4×C5×C8 ◁ G

210 conjugacy classes of subgroups; only the 102 normal subgroups are shown.

normal subgroups only

This group has 210 conjugacy classes of subgroups — too many to draw. Only its 102 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)(8,15,17,21)(9,13)(10,19)(11,14)(12,16,20,18)(22,23,25,30,26,29,33,36,27,31,34,37,24,28,32,35);(6,8,10,18,11,17,9,16)(7,12,13,15,14,20,19,21)(23,28,31,29)(30,35,37,36)

Conjugacy classes & character table

320 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 134);