Finite Group Databasebeta

C5×#20788 #11943508

order1280
nilpotency class3
isoclinismisoclinic class of #20671
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C23×C4

Aliases

direct productC5×#20788

Subgroups

subgroupG/H
centerC4×C5C2×#117
commutatorC2×C4C23×C4×C5
Frattini, cosocleC22×C4C24×C5
socleC2×C5#2283
prime radicalC2×C5×#41C23
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4×C5 ◁ C5×#405 ◁ G

608 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 160

A minimal faithful permutation representation — 4 generators on 37 points:

(1,2,3,4,5)(6,7)(8,17,20,13)(9,14)(10,15)(11,16)(12,19,26,34)(18,32,21,27)(22,29)(23,30)(24,31)(25,33,28,35)(36,37);(6,8)(7,12,16,26)(9,21)(10,19)(11,20)(13,15,17,31)(14,28,30,25)(18,23)(22,35)(24,34)(27,37,32,29)(33,36);(6,8)(7,13)(9,18)(10,19)(11,20)(12,15)(14,27)(16,17)(21,23)(22,33)(24,34)(25,29)(26,31)(28,37)(30,32)(35,36);(6,9,10,22,11,23,24,36)(7,14,15,29,16,30,31,37)(8,18,19,33,20,21,34,35)(12,25,17,32,26,28,13,27)

Conjugacy classes & character table

290 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 13776);