Finite Group Databasebeta

C5×#13681 #11936401

order1280
nilpotency class5
isoclinismisoclinic class of #13681
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#13681

Subgroups

subgroupG/H
center, socleC2×C5#2196
commutator, Frattini, cosocleC4⋊Q8C23×C5
LCSG ▷ C4⋊Q8 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C5 ◁ C22×C5 ◁ C2×C4×C5 ◁ C5×C4⋊Q8 ◁ G

398 conjugacy classes of subgroups; only the 58 normal subgroups are shown.

normal subgroups only

This group has 398 conjugacy classes of subgroups — too many to draw. Only its 58 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) = 21
transitive degreeμt(G) = 80

A minimal faithful permutation representation — 3 generators on 21 points:

(1,2,3,4,5)(7,12)(8,15)(9,18)(13,21)(14,16)(17,20);(6,7)(8,16)(9,17)(10,13)(11,14)(12,15)(18,21)(19,20);(6,7)(8,17)(9,16)(10,20)(11,14)(12,18)(13,19)(15,21)

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, 6669);