Finite Group Databasebeta

C5×#19616 #11942336

order1280
nilpotency class3
isoclinismisoclinic class of #1714
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C24×C4

Aliases

direct productC5×#19616

Subgroups

subgroupG/H
centerC2×C4×C5#127
commutator, Frattini, cosocleC42C24×C5
socleC22×C5C2×#127
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C2×C42×C5 ◁ G

906 conjugacy classes of subgroups; only the 278 normal subgroups are shown.

normal subgroups only

This group has 906 conjugacy classes of subgroups — too many to draw. Only its 278 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) = 29
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 4 generators on 29 points:

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

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, 12604);