Finite Group Databasebeta

C5×#17829 #11940549

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

Aliases

direct productC5×#17829

Subgroups

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

610 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)(8,15)(9,13)(10,19)(11,14)(12,17)(16,20)(18,21)(22,23,25,28,26,29,32,35)(24,27,31,34,30,33,36,37);(6,8,9,16,11,18,10,17)(7,12,19,21,14,20,13,15);(6,9,11,10)(7,13,14,19)(8,16,18,17)(12,15,20,21)(22,24)(23,27)(25,31)(26,30)(28,34)(29,33)(32,36)(35,37);(24,30)(27,33)(31,36)(34,37)

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, 10817);