Finite Group Databasebeta

C5×#13689 #11936409

order1280
nilpotency class5
isoclinismisoclinic class of #13661
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#13689

Subgroups

subgroupG/H
center, socleC22×C5C2×D16
commutator, Frattini, cosocleC2×C16C23×C5
prime radicalC2×C5×D32C2
LCSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C4×C5×C8 ◁ C4×C5×C16 ◁ G

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

normal subgroups only

This group has 216 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)(7,9)(10,11)(12,16)(13,17)(14,27)(15,28)(18,24)(19,25)(20,23)(21,29)(22,39)(26,35)(30,36)(31,37)(32,40)(33,38)(34,41);(6,7,8,9)(11,16)(17,29)(18,30)(19,31)(20,28)(27,39)(32,34)(33,35);(11,17)(13,24)(14,25)(15,23)(16,29)(18,19)(20,35)(21,36)(22,37)(26,41)(27,32)(28,33)(30,31)(34,39)(38,40)

Conjugacy classes & character table

245 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 6677);