Finite Group Databasebeta

C5×#12346 #11935066

order1280
nilpotency class4
isoclinismisoclinic class of #12316
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#12346

Subgroups

subgroupG/H
center, socleC22×C5#447
commutator, Frattini, cosocleC4×C8C23×C5
prime radicalC2×C5×D4D8
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C5×C8×D4 ◁ G

298 conjugacy classes of subgroups; only the 86 normal subgroups are shown.

normal subgroups only

This group has 298 conjugacy classes of subgroups — too many to draw. Only its 86 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)(7,8)(9,10)(12,13)(14,15,19,23)(16,24,27,43)(17,28,32,42)(18,33,30,22)(20,35,37,25)(21,38,40,31)(26,44,34,39)(29,41,45,36);(6,7,11,13)(8,9,12,10)(14,16,19,27)(15,20,23,37)(17,29,32,45)(18,34,30,26)(21,39,40,44)(22,41,33,36)(24,42,43,28)(25,38,35,31);(6,8)(7,9)(10,13)(11,12)

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, 5334);