Finite Group Databasebeta

C5×#12306 #11935026

order1280
nilpotency class4
isoclinismisoclinic class of #12304
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#12306

Subgroups

subgroupG/H
center, socleC2×C5#1616
commutator, Frattini, cosocleC2×M16C23×C5
prime radicalC5×#469C22
LCSG ▷ C2×M16 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C5 ◁ C2×C4×C5 ◁ C2×C5×M16 ◁ G

274 conjugacy classes of subgroups; only the 70 normal subgroups are shown.

normal subgroups only

This group has 274 conjugacy classes of subgroups — too many to draw. Only its 70 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)(6,7,12,16,11,17,10,27)(8,18,28,35,20,14,21,31)(9,22,23,32,25,13,26,15)(19,29,36,30,24,33,37,34);(7,13)(9,23)(10,12)(14,29)(15,27)(16,32)(17,22)(18,33)(19,36)(21,28)(24,37)(25,26)(30,35)(31,34);(6,8)(7,14,17,18)(9,24)(10,21)(11,20)(12,28)(13,29,22,33)(15,30,32,34)(16,31,27,35)(19,25)(23,37)(26,36)

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, 5294);