Finite Group Databasebeta

C5×#17834 #11940554

order1280
nilpotency class3
isoclinismisoclinic class of D4×D8
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#17834

Subgroups

subgroupG/H
centerC2×C4×C5C22×D4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC42C24×C5
socleC22×C5C22×C4⋊C4
prime radicalC2×C5×#41Q8
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C4×C5×#41 ◁ G

616 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)(7,11)(9,16)(12,17)(13,18)(15,20)(19,21)(22,23,26,29,27,30,25,35)(24,31,33,36,34,37,32,28);(6,7,9,11,10,13,16,18)(8,12,15,17,14,19,20,21)(22,24,25,32,27,34,26,33)(23,28,29,31,30,36,35,37);(6,8)(7,12)(9,15)(10,14)(11,17)(13,19)(16,20)(18,21);(8,14)(12,19)(15,20)(17,21)

Conjugacy classes & character table

350 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 10822);