Finite Group Databasebeta

C5×#12709 #11935429

order1280
nilpotency class4
isoclinismisoclinic class of #12707
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#12709

Subgroups

subgroupG/H
center, socleC2×C5#1781
commutatorC22×C4C22×C4×C5
Frattini, cosocleC22×Q8C23×C5
prime radicalC5×#3485C2
LCSG ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C5 ◁ C23×C5 ◁ C22×C5×#41 ◁ G

986 conjugacy classes of subgroups; only the 146 normal subgroups are shown.

normal subgroups only

This group has 986 conjugacy classes of subgroups — too many to draw. Only its 146 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)(6,7,10,14,11,15,26,33)(8,16,19,34,18,30,24,36)(9,20,23,32,22,13,25,31)(12,27,29,21,28,35,37,17);(6,8)(7,12)(9,21)(10,24)(11,18)(13,30)(14,29)(15,28)(16,20)(17,22)(19,26)(23,27)(25,35)(31,36)(32,34)(33,37);(9,22)(13,20)(16,30)(17,21)(23,25)(27,35)(31,32)(34,36)

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, 5697);