Finite Group Databasebeta

C5×C4⋊(#127⋊C3) #14510945

order1920
automorphism?
homologyAbelianization (H1) = C22×C3×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×C4⋊(#127⋊C3)
unambiguous semidirect productC4⋊(C5×#127⋊C3)
unambiguous semidirect product#2867⋊(C3×C5)
unambiguous semidirect product(C5×#2867)⋊C3

Splittings

Fitting, HallC5×#2867 ⋊ C3
Sylow#2867 ⋊ C3×C5

Subgroups

subgroupG/H
centerC2×C5C2×#127⋊C3
commutator, cosocleC2×C42C22×C3×C5
FrattiniC23C22×C5×A4
FittingC5×#2867C3
socleC23×C5C22×A4
hypercenterC4×C5#127⋊C3
hypocenterC42C3×C5×D4
LCSG ▷ C2×C42 ▷ C42
UCSC1 ◁ C2×C5 ◁ C4×C5

504 conjugacy classes of subgroups; only the 42 normal subgroups are shown.

normal subgroups only

This group has 504 conjugacy classes of subgroups — too many to draw. Only its 42 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) = 17
transitive degreeμt(G) = 60

A minimal faithful permutation representation — 2 generators on 17 points:

(1,2,3,4,5)(6,11,17,7,13,16,9,14,12,10,8,15);(6,10)(7,9)(8,13)(12,16)(15,17)

Conjugacy classes & character table

140 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 236643);