Finite Group Databasebeta

C5×#11994 #11934714

order1280
nilpotency class4
isoclinismisoclinic class of #11994
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#11994

Subgroups

subgroupG/H
center, socleC2×C5#1558
commutatorC42C22×C4×C5
Frattini, cosocleC4×C8C23×C5
prime radicalC23×C5#100
LCSG ▷ C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C5 ◁ C2×C4×C5 ◁ C4×C5×M16 ◁ G

258 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 258 conjugacy classes of subgroups — too many to draw. Only its 98 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) = 37
transitive degreeμt(G) = 160

A minimal faithful permutation representation — 3 generators on 37 points:

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

Conjugacy classes & character table

140 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 4982);