Finite Group Databasebeta

C5×#7721 #11930441

order1280
nilpotency class3
isoclinismisoclinic class of #7694
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#7721

Subgroups

subgroupG/H
center, socleC23×C5C2×C22⋊C4
commutatorC22×C4C22×C4×C5
Frattini, cosocleC2×C42C23×C5
prime radicalC24×C5C22⋊C4
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C23×C5 ◁ C22×C42×C5 ◁ G

444 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 45 points:

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

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, 709);