Finite Group Databasebeta

C5×#12347 #11935067

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

Aliases

direct productC5×#12347

Subgroups

subgroupG/H
center, socleC22×C5#447
commutator, Frattini, cosocleC4×C8C23×C5
prime radicalC5×#3341C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C5×C8×D4 ◁ G

302 conjugacy classes of subgroups; only the 82 normal subgroups are shown.

normal subgroups only

This group has 302 conjugacy classes of subgroups — too many to draw. Only its 82 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)(14,15,20,24)(16,25,28,44)(17,22,19,34)(18,30,33,42)(21,36,39,27)(23,29,41,32)(26,43,35,40)(31,37,45,38);(6,7,11,13)(8,9,12,10)(14,16,20,28)(15,21,24,39)(17,26,19,35)(18,31,33,45)(22,37,34,38)(23,40,41,43)(25,42,44,30)(27,29,36,32);(6,8)(7,9)(10,13)(11,12)(14,17,20,19)(15,22,24,34)(16,26,28,35)(18,29,33,32)(21,37,39,38)(23,30,41,42)(25,43,44,40)(27,31,36,45)

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, 5335);