Finite Group Databasebeta

C5×#24109 #11946829

order1280
nilpotency class3
isoclinismisoclinic class of #23860
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#24109

Subgroups

subgroupG/H
center, socleC23×C5C22×D4
commutator, Frattini, cosocleC22×C4C24×C5
prime radicalC22×C5×D4D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C2×C4×C5×D4 ◁ G

1084 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)(12,17)(13,15)(14,16)(18,19,21,24)(20,28,30,33)(22,27,23,26)(25,29,32,31);(10,12,14,13)(11,15,16,17)(19,24)(20,29)(22,23)(25,28)(30,31)(32,33);(7,9)(10,13,14,12)(11,15,16,17)(18,20,21,30)(19,25,24,32)(22,29,23,31)(26,33,27,28);(11,16)(15,17)(19,24)(20,30)(26,27)(29,31)

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, 17097);