Finite Group Databasebeta

C5×#33495 #11956215

order1280
nilpotency class2
isoclinismisoclinic class of #534
automorphism?
homologyAbelianization (H1) = C23×C5×C8 · Schur multiplier (H2) = C24

Aliases

direct productC5×#33495

Subgroups

subgroupG/H
centerC2×C5×C8C24
commutatorC22C23×C5×C8
Frattini, cosocleC2×C8C24×C5
socleC22×C5C23×C8
prime radicalC5×#532C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C2×C5×C8 ◁ G

564 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 45
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 4 generators on 45 points:

(1,2,3,4,5)(6,7)(8,12)(9,11)(10,13)(14,15,18,23,19,24,30,38,17,22,28,36,29,37,41,45)(16,21,26,34,27,35,40,44,25,20,31,32,39,33,42,43);(6,8)(7,10)(9,13)(11,12)(14,16)(15,20)(17,25)(18,26)(19,27)(21,22)(23,32)(24,33)(28,31)(29,39)(30,40)(34,36)(35,37)(38,43)(41,42)(44,45);(8,13)(10,12)(14,16)(15,21)(17,25)(18,26)(19,27)(20,22)(23,34)(24,35)(28,31)(29,39)(30,40)(32,36)(33,37)(38,44)(41,42)(43,45);(7,11)(10,12)(15,22)(16,25)(23,36)(24,37)(26,31)(27,39)(38,45)(40,42)

Conjugacy classes & character table

440 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 26483);