Finite Group Databasebeta

(C7⋊C9)⋊Dic137 #46828569

order34524
automorphism?
homologyAbelianization (H1) = C4×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C7⋊C9)⋊Dic137
unambiguous semidirect productDic959⋊C9

Splittings

derived, HallC7×C137 ⋊ C4×C9
HallC7⋊C9×C137 ⋊ C4
HallDic959 ⋊ C9
SylowC137 ⋊ Dic7⋊C9
HallC7⋊C9 ⋊ Dic137
SylowC7 ⋊ C9×Dic137

Subgroups

subgroupG/H
center, Frattini, hypercenterC2×C3ΓL(1,𝔽8)⋊D137
commutator, hypocenterC7×C137C4×C9
Fitting, socle, prime radical, cosocleC2×C3×C7×C137C2×C3
LCSG ▷ C7×C137
UCSC1 ◁ C2×C3

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 34524

Polycyclic presentation:

2,3,7,137,2,3|a^2=e,b^3=f,c^a=c^6,d^a=d^136,c^b=c^2

Conjugacy classes & character table

2082 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(34524, 12);