Finite Group Databasebeta

C5×#12405 #11935125

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

Aliases

direct productC5×#12405

Subgroups

subgroupG/H
center, socle, prime radicalC22×C5#447
commutator, Frattini, cosocleC4×C8C23×C5
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C5×C8×Q8 ◁ G

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

normal subgroups only

This group has 276 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) = 37
transitive degreeμt(G) = 1280

A minimal faithful permutation representation — 3 generators on 37 points:

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

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, 5393);