Finite Group Databasebeta

C5×#13496 #11936216

order1280
nilpotency class4
isoclinismisoclinic class of #13313
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#13496

Subgroups

subgroupG/H
center, socleC22×C5#466
commutator, Frattini, cosocleC22×C8C23×C5
prime radicalC2×C5×#41D4
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C2×C5×#131 ◁ G

284 conjugacy classes of subgroups; only the 102 normal subgroups are shown.

normal subgroups only

This group has 284 conjugacy classes of subgroups — too many to draw. Only its 102 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)(8,11)(9,10)(12,13)(14,15,20,32,31,42,30,22,19,25,17,23,18,24,34,41)(16,21,33,35,28,37,43,40,29,39,27,36,26,38,44,45);(7,10)(11,13)(14,16)(15,21)(17,27)(18,26)(19,29)(20,33)(22,40)(23,36)(24,38)(25,39)(28,31)(30,43)(32,35)(34,44)(37,42)(41,45);(6,8,9,12)(7,11,10,13)(15,22)(16,26)(17,30)(18,31)(20,34)(21,35)(23,24)(25,41)(27,33)(28,29)(32,42)(36,39)(37,45)(38,40)

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 6484);