Finite Group Databasebeta

D15⋊AGL(1,𝔽31) #42124679

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

Aliases

unambiguous semidirect productD15⋊AGL(1,𝔽31)
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 ⋊ C3×C5×D3×D5

Subgroups

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

212 conjugacy classes of subgroups; only the 45 normal subgroups are shown.

normal subgroups only

This group has 212 conjugacy classes of subgroups — too many to draw. Only its 45 normal subgroups are shown.

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

Full subgroup data →

Presentation

Polycyclic presentation:

2^2,3,5,3,5,31|f^a=f^4,g^a=g^30,e^b=e^2,f^b=f^4,g^c=g^5,g^d=g^16

Conjugacy classes & character table

189 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(27900, 426);