Finite Group Databasebeta

C5×#12974 #11935694

order1280
nilpotency class4
isoclinismisoclinic class of #2202
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#12974

Subgroups

subgroupG/H
centerC4×C5B(4,𝔽2)
commutatorC2×Q8C22×C4×C5
Frattini, cosocleC2×#41C23×C5
socleC2×C5#1867
prime radicalC5×#532C22
LCSG ▷ C2×Q8 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C4×C5 ◁ C2×C4×C5 ◁ C2×C5×#41 ◁ G

408 conjugacy classes of subgroups; only the 114 normal subgroups are shown.

normal subgroups only

This group has 408 conjugacy classes of subgroups — too many to draw. Only its 114 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)(6,7,12,17,13,18,11,28)(8,19,22,36,23,35,21,30)(9,16,24,15,10,25,27,34)(14,29,32,26,33,37,31,20);(6,8,12,22,13,23,11,21)(7,14,17,32,18,33,28,31)(9,20,24,29,10,26,27,37)(15,30,25,19,34,36,16,35);(6,9)(7,15)(8,20)(10,13)(11,27)(12,24)(14,30)(16,28)(17,25)(18,34)(19,32)(21,37)(22,29)(23,26)(31,35)(33,36)

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, 5962);