Finite Group Databasebeta

C5×#12218 #11934938

order1280
nilpotency class4
isoclinismisoclinic class of #12093
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#12218

Subgroups

subgroupG/H
center, socleC22×C5B(4,𝔽2)
commutator, Frattini, cosocleC2×C22⋊C4C23×C5
prime radicalC25×C5D4
LCSG ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C5 ◁ C2×C5×C22⋊C4 ◁ G

456 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 456 conjugacy classes of subgroups — too many to draw. Only its 74 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 — 3 generators on 37 points:

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

Conjugacy classes & character table

125 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5206);