Finite Group Databasebeta

C5×#13646 #11936366

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

Aliases

direct productC5×#13646

Subgroups

subgroupG/H
centerC2×C5×C16C23
commutatorC22C22×C5×C16
Frattini, cosocleC2×C16C23×C5
socleC22×C5C22×C16
prime radicalC2×C5×D4C16
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C2×C5×C16 ◁ G

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

normal subgroups only

This group has 202 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) = 41
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 3 generators on 41 points:

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

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, 6634);