Finite Group Databasebeta

C5×#20340 #11943060

order1280
nilpotency class2
isoclinismisoclinic class of #20338
automorphism?
homologyAbelianization (H1) = C22×C42×C5 · Schur multiplier (H2) = C27

Aliases

direct productC5×#20340

Subgroups

subgroupG/H
centerC4×C5C22×C42
commutatorC4C22×C42×C5
Frattini, cosocleC22×C4C24×C5
socleC2×C5C22×#95
prime radicalC22×C5×#41C22
LCSG ▷ C4 ▷ C1
UCSC1 ◁ C4×C5 ◁ G

1956 conjugacy classes of subgroups; only the 1114 normal subgroups are shown.

normal subgroups only

This group has 1956 conjugacy classes of subgroups — too many to draw. Only its 1114 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) = 160

A minimal faithful permutation representation — 4 generators on 37 points:

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

Conjugacy classes & character table

410 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 13328);