Finite Group Databasebeta

C5×#12217 #11934937

order1280
nilpotency class4
isoclinismisoclinic class of #12093
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22×C4

Aliases

direct productC5×#12217

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

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

normal subgroups only

This group has 484 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)(8,16,19,27)(9,20,23,13)(11,15,24,29)(12,21,26,18)(17,30,32,37)(22,33,35,28)(25,34,36,31);(6,8,10,19)(7,12,14,26)(9,21,23,18)(11,17,24,32)(13,27,20,16)(15,25,29,36)(22,34,35,31)(28,37,33,30);(8,17)(9,22)(12,25)(16,30)(19,32)(23,35)(26,36)(27,37)

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, 5205);