Finite Group Databasebeta

C5×#12631 #11935351

order1280
nilpotency class4
isoclinismisoclinic class of #2127
automorphism?
homologyAbelianization (H1) = C2×C42×C5 · Schur multiplier (H2) = C22×C4

Aliases

direct productC5×#12631

Subgroups

subgroupG/H
center, socleC22×C5C2×#99
commutatorC2×C4C2×C42×C5
Frattini, cosocleC22×Q8C23×C5
prime radicalC23×C5C2×C22⋊C4
LCSG ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C2×C4×C5×Q8 ◁ G

464 conjugacy classes of subgroups; only the 162 normal subgroups are shown.

normal subgroups only

This group has 464 conjugacy classes of subgroups — too many to draw. Only its 162 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) = 41
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 41 points:

(1,2,3,4,5)(6,7,9,8)(10,11)(12,20)(13,24)(14,19)(15,17)(16,21)(18,26)(22,38)(23,34)(25,33)(27,32)(28,31)(29,37)(30,39)(35,40)(36,41);(10,12,14,22,15,23,28,40)(11,16,19,30,17,29,31,41)(13,21,25,36,26,37,27,39)(18,20,32,35,24,34,33,38);(6,8,9,7)(11,17)(16,29)(18,24)(19,31)(20,34)(30,41)(32,33)(35,38)

Conjugacy classes & character table

230 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5619);