Finite Group Databasebeta

C5×C9⋊#95 #13083833

order1440
isoclinismisoclinic class of Dic18
automorphism?
homologyAbelianization (H1) = C42×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×C9⋊#95
unambiguous semidirect productC9⋊(C5×#95)

Splittings

HallC5×C9 ⋊ #95
SylowC9 ⋊ C5×#95

Subgroups

subgroupG/H
centerC23×C5C2×D9
commutatorC2×C9C42×C5
FrattiniC23×C3C2×C5×D3
FittingC22×C4×C5×C9C2
socle, prime radicalC23×C3×C5C2×D3
cosocleC23×C9C22×C5
hypercenterC22×C4×C5D9
hypocenterC9C5×#95
LCSG ▷ C2×C9 ▷ C9
UCSC1 ◁ C23×C5 ◁ C22×C4×C5

228 conjugacy classes of subgroups; only the 128 normal subgroups are shown.

normal subgroups only

This group has 228 conjugacy classes of subgroups — too many to draw. Only its 128 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) = 26
transitive degreeμt(G) = 1440

A minimal faithful permutation representation — 2 generators on 26 points:

(1,2,3,4,5)(6,11,13,12,7,9,8,14,10)(19,20,21,22)(24,26);(7,9)(8,12)(10,11)(13,14)(15,16,17,18)(23,24)(25,26)

Conjugacy classes & character table

420 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1440, 150);