Finite Group Databasebeta

C5×#7945 #11930665

order1280
nilpotency class3
isoclinismisoclinic class of #7943
automorphism?
homologyAbelianization (H1) = C2×C42×C5 · Schur multiplier (H2) = C2×C42

Aliases

direct productC5×#7945

Subgroups

subgroupG/H
center, socleC22×C5C2×#95
commutatorC2×C4C2×C42×C5
Frattini, cosocleC23×C4C23×C5
prime radicalC24×C5C2×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C42×C5 ◁ G

604 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 37 points:

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

Conjugacy classes & character table

260 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 933);