Finite Group Databasebeta

C5×#12089 #11934809

order1280
nilpotency class4
isoclinismisoclinic class of #12087
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C4

Aliases

direct productC5×#12089

Subgroups

subgroupG/H
center, socleC22×C5#442
commutatorC2×C8C22×C4×C5
Frattini, cosocleC4×C8C23×C5
prime radicalC2×C5×D16C4
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C5×#322 ◁ G

226 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 226 conjugacy classes of subgroups — too many to draw. Only its 90 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)(6,7,10,8,9,11,13,12)(14,15,18,22,19,23,16,24)(17,26,27,29,28,20,25,21);(7,11)(8,12)(15,20)(16,18)(17,27)(21,24)(22,29)(23,26)(25,28);(6,8,10,11,9,12,13,7)(14,16,19,18)(17,27,28,25)(20,26)(21,29)

Conjugacy classes & character table

170 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5077);