Finite Group Databasebeta

C5×#12728 #11935448

order1280
nilpotency class4
isoclinismisoclinic class of #12727
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#12728

Subgroups

subgroupG/H
center, socleC2×C5#1782
commutatorC22×C4C22×C4×C5
Frattini, cosocleC22×D4C23×C5
prime radicalC5×#535C22
LCSG ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C5 ◁ C23×C5 ◁ C5×#518 ◁ G

714 conjugacy classes of subgroups; only the 138 normal subgroups are shown.

normal subgroups only

This group has 714 conjugacy classes of subgroups — too many to draw. Only its 138 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)(8,16,19,29)(9,20)(10,23,25,14)(11,15)(12,18)(13,22)(17,31,33,30)(21,28,37,35)(24,27)(26,36)(32,34);(6,8,11,19)(7,12,15,27)(9,17,22,33)(10,24,25,18)(13,26,20,34)(14,29,23,16)(21,36,37,32)(28,31,35,30);(6,9)(7,13,15,20)(8,17)(10,21)(11,22)(12,26,27,34)(14,28,23,35)(16,30,29,31)(18,32)(19,33)(24,36)(25,37)

Conjugacy classes & character table

170 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5716);