Finite Group Databasebeta

(C1579⋊C3)⋊C4 #34038846

order18948
automorphism?
homologyAbelianization (H1) = C3×C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C1579⋊C3)⋊C4
unambiguous semidirect productDic1579⋊C3

Splittings

derived, SylowC1579 ⋊ C3×C4
HallDic1579 ⋊ C3
HallC1579⋊C3 ⋊ C4

Subgroups

subgroupG/H
center, Frattini, hypercenterC2D1579⋊C3
commutator, hypocenterC1579C3×C4
Fitting, socle, cosocleC2×C1579C2×C3
prime radicalC2×C1579⋊C3C2
LCSG ▷ C1579
UCSC1 ◁ C2

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6316

Polycyclic presentation:

2,3,1579,2|a^2=d,c^a=c^1578,c^b=c^639

Conjugacy classes & character table

538 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18948, 2);