Finite Group Databasebeta

C5×#11654 #11934374

order1280
nilpotency class4
isoclinismisoclinic class of #11651
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#11654

Subgroups

subgroupG/H
center, socleC22×C5C2×#102
commutatorC2×C8C22×C4×C5
Frattini, cosocleC4×C8C23×C5
prime radicalC5×#3169C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G

354 conjugacy classes of subgroups; only the 122 normal subgroups are shown.

normal subgroups only

This group has 354 conjugacy classes of subgroups — too many to draw. Only its 122 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)(6,7,9,12,10,13,16,19)(8,11,15,18,14,17,20,21)(22,23,25,29,26,31,36,30)(24,32,34,28,35,27,33,37);(6,8)(7,11)(9,15)(10,14)(12,18)(13,17)(16,20)(19,21)(23,27)(24,33)(25,36)(28,29)(30,37)(31,32)(34,35);(8,14)(11,17)(15,20)(18,21)

Conjugacy classes & character table

230 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 4642);