Finite Group Databasebeta

C5×#12403 #11935123

order1280
nilpotency class4
isoclinismisoclinic class of #12324
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#12403

Subgroups

subgroupG/H
center, socleC22×C5#447
commutator, Frattini, cosocleC4×C8C23×C5
prime radicalC2×C5×D4D8
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C5×#436 ◁ G

280 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 280 conjugacy classes of subgroups — too many to draw. Only its 78 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) = 640

A minimal faithful permutation representation — 3 generators on 37 points:

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

Conjugacy classes & character table

155 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5391);