Finite Group Databasebeta

C5×#13707 #11936427

order1280
nilpotency class5
isoclinismisoclinic class of #13661
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C2

Aliases

direct productC5×#13707

Subgroups

subgroupG/H
center, socleC22×C5C2×D16
commutator, Frattini, cosocleC2×C16C23×C5
prime radicalC2×C5×D16C22
LCSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C4×C5×C8 ◁ C4×C5×C16 ◁ G

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

normal subgroups only

This group has 170 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) = 45
transitive degreeμt(G) = 640

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

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

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, 6695);