Finite Group Databasebeta

Dic2557⋊C3 #44501607

order30684
automorphism?
homologyAbelianization (H1) = C3×C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productDic2557⋊C3

Splittings

derived, SylowC2557 ⋊ C3×C4
HallDic2557 ⋊ C3
HallC2557⋊C3 ⋊ C4

Subgroups

subgroupG/H
center, Frattini, hypercenterC2D2557⋊C3
commutator, hypocenterC2557C3×C4
Fitting, socle, cosocleC2×C2557C2×C3
prime radicalC2×C2557⋊C3C2
LCSG ▷ C2557
UCSC1 ◁ C2

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 10228

Polycyclic presentation:

2,3,2557,2|a^2=d,c^a=c^2556,c^b=c^835

Conjugacy classes & character table

864 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30684, 2);