Finite Group Databasebeta

C5×#21781 #11944501

order1280
nilpotency class3
isoclinismisoclinic class of #21776
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C26

Aliases

direct productC5×#21781

Subgroups

subgroupG/H
center, socleC2×C5#2308
commutatorC23C23×C4×C5
Frattini, cosocleC22×C4C24×C5
prime radicalC5×#3487C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C5 ◁ C22×C4×C5 ◁ G

1258 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)(6,7,11,17,12,16,9,14)(8,18,19,27,21,13,25,29)(10,23,22,31,24,15,26,30)(20,28,35,36,34,32,33,37);(6,8)(7,13)(9,19)(10,20)(11,25)(12,21)(14,29)(15,28)(16,18)(17,27)(22,33)(23,32)(24,34)(26,35)(30,37)(31,36);(6,9,12,11)(7,14,16,17)(8,19,21,25)(10,22,24,26)(13,27,18,29)(15,30,23,31)(20,33,34,35)(28,36,32,37);(6,10,12,24)(7,15,16,23)(8,20,21,34)(9,22,11,26)(13,28,18,32)(14,30,17,31)(19,33,25,35)(27,36,29,37)

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, 14769);