Finite Group Databasebeta

C5×#12381 #11935101

order1280
nilpotency class4
isoclinismisoclinic class of #12316
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#12381

Subgroups

subgroupG/H
center, socleC22×C5#447
commutator, Frattini, cosocleC4×C8C23×C5
prime radicalC5×#493C22
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C5×C8×Q8 ◁ G

306 conjugacy classes of subgroups; only the 82 normal subgroups are shown.

normal subgroups only

This group has 306 conjugacy classes of subgroups — too many to draw. Only its 82 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) = 640

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

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

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5369);