Finite Group Databasebeta

C5×#13660 #11936380

order1280
nilpotency class2
isoclinismisoclinic class of #120
automorphism?
homologyAbelianization (H1) = C22×C5×C16 · Schur multiplier (H2) = C2

Aliases

direct productC5×#13660

Subgroups

subgroupG/H
centerC2×C5×C16C23
commutatorC22C22×C5×C16
Frattini, cosocleC2×C16C23×C5
socle, prime radicalC22×C5C22×C16
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C2×C5×C16 ◁ G

158 conjugacy classes of subgroups; only the 126 normal subgroups are shown.

normal subgroups only

This group has 158 conjugacy classes of subgroups — too many to draw. Only its 126 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) = 45
transitive degreeμt(G) = 1280

A minimal faithful permutation representation — 3 generators on 45 points:

(1,2,3,4,5)(6,7)(8,13)(9,11)(10,12)(14,15,17,22,18,23,29,37,19,16,25,26,31,27,40,41,20,24,30,38,32,39,43,45,33,28,21,34,35,42,36,44);(6,8,10,9)(7,11,12,13);(6,9,10,8)(7,11,12,13)(14,16,17,26,18,27,29,41,19,24,25,38,31,39,40,45,20,28,30,34,32,42,43,44,33,15,21,22,35,23,36,37)

Conjugacy classes & character table

560 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 6648);