Finite Group Databasebeta

C5×#12418 #11935138

order1280
nilpotency class4
isoclinismisoclinic class of #12416
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#12418

Subgroups

subgroupG/H
center, socleC22×C5#459
commutator, Frattini, cosocleC4×C8C23×C5
prime radicalC5×#2206C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C5×C82 ◁ G

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

normal subgroups only

This group has 256 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)(14,15)(16,19)(17,20)(18,26)(21,25)(22,24)(23,27)(28,29);(6,7,8,10,9,11,12,13)(15,19)(20,27)(21,28)(22,26);(15,20)(17,25)(18,24)(19,27)(21,22)(23,29)(26,28)

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, 5406);