Finite Group Databasebeta

D249⋊C4 #14521925

order1992
isoclinismisoclinic class of D3×D83
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD249⋊C4

Splittings

derived, HallC3×C83 ⋊ C2×C4
SylowC83 ⋊ C4×D3
SylowC3 ⋊ C4×D83

Subgroups

subgroupG/H
center, Frattini, hypercenterC2D3×D83
commutator, hypocenterC3×C83C2×C4
Fitting, socle, cosocleC2×C3×C83C22
prime radicalC2×D249C2
LCSG ▷ C3×C83
UCSC1 ◁ C2

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 996

Polycyclic presentation:

2^3,3,83|a^2=c,b^2=c,e^a=e^82,d^b=d^2

Conjugacy classes & character table

258 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1992, 7);