Finite Group Databasebeta

C5×#12820 #11935540

order1280
nilpotency class4
isoclinismisoclinic class of #2212
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#12820

Subgroups

subgroupG/H
center, socleC22×C5#459
commutatorC2×C8C22×C4×C5
Frattini, cosocleC22×C8C23×C5
prime radicalC2×C5×#135C22
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C2×C4×C5×C8 ◁ G

414 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 41
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 41 points:

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

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, 5808);