Finite Group Databasebeta

C5×#12419 #11935139

order1280
nilpotency class4
isoclinismisoclinic class of #12416
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C2

Aliases

direct productC5×#12419

Subgroups

subgroupG/H
center, socleC22×C5#459
commutator, Frattini, cosocleC4×C8C23×C5
prime radicalC5×#493C22
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C5×C82 ◁ G

240 conjugacy classes of subgroups; only the 82 normal subgroups are shown.

normal subgroups only

This group has 240 conjugacy classes of subgroups — too many to draw. Only its 82 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) = 29
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 3 generators on 29 points:

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

Conjugacy classes & character table

215 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5407);