Finite Group Databasebeta

C5×#7425 #11930145

order1280
nilpotency class5
isoclinismisoclinic class of #7422
automorphism?
homologyAbelianization (H1) = C2×C4×C5 · Schur multiplier (H2) = C2

Aliases

direct productC5×#7425

Subgroups

subgroupG/H
center, socleC2×C5#1347
commutatorC2×C16C2×C4×C5
Frattini, cosocleC2×M32C22×C5
prime radicalC23×C5SD32
LCSG ▷ C2×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C5 ◁ C2×C4×C5 ◁ C22×C5×C8 ◁ C2×C5×M32 ◁ G

136 conjugacy classes of subgroups; only the 46 normal subgroups are shown.

normal subgroups only

This group has 136 conjugacy classes of subgroups — too many to draw. Only its 46 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) = 69
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 2 generators on 69 points:

(1,2,3,4,5)(6,7,10,17,14,19,13,40)(8,20,22,54,26,55,25,61)(9,27,30,62,33,53,34,63)(11,36,35,52,12,38,29,18)(15,41,42,57,45,58,44,21)(16,46,48,31,50,65,49,32)(23,59,37,68,24,60,39,47)(28,51,64,67,56,69,66,43);(6,8,14,26)(7,15,19,45)(9,28,33,56)(10,25,13,22)(11,37,12,39)(16,47,50,68)(17,42,40,44)(18,51,52,69)(20,53,55,27)(21,31,57,32)(23,29,24,35)(30,66,34,64)(36,67,38,43)(41,46,58,65)(48,59,49,60)(54,63,61,62)

Conjugacy classes & character table

155 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 413);