Finite Group Databasebeta

C5×#17990 #11940710

order1280
nilpotency class3
isoclinismisoclinic class of #3198
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#17990

Subgroups

subgroupG/H
centerC2×C4×C5C22×D4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC42C24×C5
socleC22×C5C2×C4×D4
prime radicalC5×#532C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C5×#431 ◁ G

584 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 640

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

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

Conjugacy classes & character table

260 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 10978);