Finite Group Databasebeta

C5×#21783 #11944503

order1280
nilpotency class3
isoclinismisoclinic class of #21782
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C26

Aliases

direct productC5×#21783

Subgroups

subgroupG/H
center, socleC2×C5#2308
commutatorC2×C4C23×C4×C5
Frattini, cosocleC22×C4C24×C5
prime radicalC5×#3499C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C5 ◁ C22×C4×C5 ◁ G

1230 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 160

A minimal faithful permutation representation — 4 generators on 37 points:

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

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, 14771);