Finite Group Databasebeta

C5×#23977 #11946697

order1280
nilpotency class3
isoclinismisoclinic class of #23860
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C26

Aliases

direct productC5×#23977

Subgroups

subgroupG/H
center, socleC23×C5C22×D4
commutator, Frattini, cosocleC22×C4C24×C5
prime radicalC2×C5×#555C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C2×C4×C5×D4 ◁ G

1286 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 33
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 4 generators on 33 points:

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

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, 16965);