Finite Group Databasebeta

(C1987⋊C3)⋊C4 #37558652

order23844
automorphism?
homologyAbelianization (H1) = C3×C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C1987⋊C3)⋊C4
unambiguous semidirect productDic1987⋊C3

Splittings

derived, SylowC1987 ⋊ C3×C4
HallDic1987 ⋊ C3
HallC1987⋊C3 ⋊ C4

Subgroups

subgroupG/H
center, Frattini, hypercenterC2D1987⋊C3
commutator, hypocenterC1987C3×C4
Fitting, socle, cosocleC2×C1987C2×C3
prime radicalC2×C1987⋊C3C2
LCSG ▷ C1987
UCSC1 ◁ C2

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7948

Polycyclic presentation:

2,3,1987,2|a^2=d,c^a=c^1986,c^b=c^647

Conjugacy classes & character table

674 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23844, 2);