Finite Group Databasebeta

C5×#9205 #11931925

order1280
nilpotency class3
isoclinismisoclinic class of #9183
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C22×C4

Aliases

direct productC5×#9205

Subgroups

subgroupG/H
center, socleC22×C5#386
commutatorC22×C4C22×C4×C5
Frattini, cosocleC23×C4C23×C5
prime radicalC5×#2617C2
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C4×C5 ◁ G

690 conjugacy classes of subgroups; only the 134 normal subgroups are shown.

normal subgroups only

This group has 690 conjugacy classes of subgroups — too many to draw. Only its 134 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) = 160

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

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

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 2193);