Finite Group Databasebeta

C5×#17771 #11940491

order1280
nilpotency class3
isoclinismisoclinic class of #17603
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#17771

Subgroups

subgroupG/H
center, socleC22×C5C22×C22⋊C4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC42C24×C5
prime radicalC5×#3508C2
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C4×C5×#41 ◁ G

990 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

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, 10759);