Finite Group Databasebeta

C5×#8242 #11930962

order1280
nilpotency class3
isoclinismisoclinic class of #327
automorphism?
homologyAbelianization (H1) = C2×C42×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#8242

Subgroups

subgroupG/H
centerC2×C5×C8C22⋊C4
commutatorC2×C4C2×C42×C5
Frattini, cosocleC2×C42C23×C5
socleC22×C5C4×C22⋊C4
prime radicalC23×C5#117
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C2×C5×C8 ◁ C2×C4×C5×C8 ◁ G

384 conjugacy classes of subgroups; only the 170 normal subgroups are shown.

normal subgroups only

This group has 384 conjugacy classes of subgroups — too many to draw. Only its 170 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)(6,7,10,14,11,15,9,12)(8,13,17,20,18,21,16,19)(22,23,25,28)(24,30,31,27)(26,34,33,29)(32,35,37,36);(7,12,15,14)(13,19,21,20)(22,24,26,32,25,31,33,37)(23,27,29,35,28,30,34,36);(6,8,10,17,11,18,9,16)(7,13,14,20,15,21,12,19)

Conjugacy classes & character table

380 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1230);