Finite Group Databasebeta

C5×#7650 #11930370

order1280
nilpotency class3
isoclinismisoclinic class of #7606
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#7650

Subgroups

subgroupG/H
center, socle, prime radicalC23×C5C2×C22⋊C4
commutatorC22×C4C22×C4×C5
Frattini, cosocleC2×C42C23×C5
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C23×C5 ◁ C43×C5 ◁ G

384 conjugacy classes of subgroups; only the 130 normal subgroups are shown.

normal subgroups only

This group has 384 conjugacy classes of subgroups — too many to draw. Only its 130 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 45
transitive degreeμt(G) = 1280

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

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

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, 638);