Finite Group Databasebeta

C5×#13699 #11936419

order1280
nilpotency class5
isoclinismisoclinic class of #13697
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#13699

Subgroups

subgroupG/H
center, socleC22×C5C2×D16
commutator, Frattini, cosocleC2×C16C23×C5
prime radicalC5×#2215C2
LCSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C22×C5×C8 ◁ C22×C5×C16 ◁ G

200 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 200 conjugacy classes of subgroups — too many to draw. Only its 74 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)(11,16)(12,21)(13,22)(14,25)(17,24)(18,27)(19,35)(20,36)(23,32)(26,39)(28,29)(30,34)(31,40)(33,41)(37,38);(10,11,17,31,13,19,23,30,25,34,38,35,39,40,12,16,15,18,21,29,26,33,37,36,14,20,32,41,22,28,24,27);(7,9)(11,18)(16,27)(19,33)(20,34)(28,40)(29,31)(30,36)(35,41)

Conjugacy classes & character table

230 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 6687);