Finite Group Databasebeta

C5×#18552 #11941272

order1280
nilpotency class3
isoclinismisoclinic class of #18524
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#18552

Subgroups

subgroupG/H
center, socleC22×C5C2×#120
commutator, Frattini, cosocleC42C24×C5
prime radicalC2×C5×#555C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

982 conjugacy classes of subgroups; only the 230 normal subgroups are shown.

normal subgroups only

This group has 982 conjugacy classes of subgroups — too many to draw. Only its 230 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) = 320

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

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

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, 11540);