Finite Group Databasebeta

C5×#33800 #11956520

order1280
nilpotency class4
isoclinismisoclinic class of #33758
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#33800

Subgroups

subgroupG/H
center, socleC22×C5C22×D8
commutator, Frattini, cosocleC2×C8C24×C5
prime radicalC5×#3169C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G

502 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)(9,12)(10,13)(11,16)(15,20)(17,19)(18,21)(23,27)(24,30)(25,32)(28,35)(29,36)(31,34)(33,37);(6,8,10,16)(7,11,13,14)(9,17,18,15)(12,20,21,19)(23,28)(27,35)(29,34)(31,36);(6,9,10,18)(7,12,13,21)(8,15,16,17)(11,19,14,20)(22,23)(24,31)(25,34)(26,28)(27,30)(29,32)(33,36)(35,37);(7,13)(11,14)(12,21)(19,20)

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 26788);