Finite Group Databasebeta

C5×#21155 #11943875

order1280
nilpotency class3
isoclinismisoclinic class of #3057
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C24×C4

Aliases

direct productC5×#21155

Subgroups

subgroupG/H
center, socleC23×C5C22×D4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC22×C4C24×C5
prime radicalC24×C5C2×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C2×C5×#117 ◁ G

982 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 29
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 4 generators on 29 points:

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

Conjugacy classes & character table

320 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 14143);