Finite Group Databasebeta

D15×AGL(1,𝔽31) #42124676

order27900
automorphism?
homologyAbelianization (H1) = C22×C3×C5 · Schur multiplier (H2) = C2

Aliases

direct productD15×AGL(1,𝔽31)
unambiguous semidirect product(D31⋊C3)⋊(C5×D15)
unambiguous semidirect product(D31⋊C5)⋊(C3×D15)
unambiguous semidirect product(C3×AGL(1,𝔽31))⋊D5
unambiguous semidirect product(C5×AGL(1,𝔽31))⋊D3
unambiguous semidirect product(D15×D31⋊C3)⋊C5
unambiguous semidirect product(D15×D31⋊C5)⋊C3

Splittings

Fitting, socle, derivedC3×C5×C31 ⋊ C22×C3×C5
HallC3×C5×(C31⋊C3)⋊C5 ⋊ C22
HallC5×ΓL(1,𝔽32) ⋊ C2×C3×D3
HallC3×C31⋊C3 ⋊ C2×C5×D5
SylowC31 ⋊ C2×C3×C5×D15

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C5×C31C22×C3×C5
LCSG ▷ C3×C5×C31
UCSC1

224 conjugacy classes of subgroups; only the 49 normal subgroups are shown.

normal subgroups only

This group has 224 conjugacy classes of subgroups — too many to draw. Only its 49 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Conjugacy classes & character table

279 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(27900, 423);