Finite Group Databasebeta

(C7⋊C9)⋊Dic121 #44478781

order30492
automorphism?
homologyAbelianization (H1) = C4×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C7⋊C9)⋊Dic121
unambiguous semidirect productC121⋊(Dic7⋊C9)
unambiguous semidirect productDic847⋊C9

Splittings

derived, HallC7×C121 ⋊ C4×C9
HallC7⋊C9×C121 ⋊ C4
HallDic847 ⋊ C9
SylowC121 ⋊ Dic7⋊C9
HallC7⋊C9 ⋊ Dic121
SylowC7 ⋊ C9×Dic121

Subgroups

subgroupG/H
center, hypercenterC2×C3ΓL(1,𝔽8)⋊D121
commutator, hypocenterC7×C121C4×C9
FrattiniC2×C3×C11C11⋊AGL(1,𝔽7)
Fitting, cosocleC2×C3×C7×C121C2×C3
socle, prime radicalC2×C3×C7×C11C3×D11
LCSG ▷ C7×C121
UCSC1 ◁ C2×C3

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 30492

Polycyclic presentation:

2,3,7,11,2,3,11|a^2=e,b^3=f,d^11=g^10,c^a=c^6,d^a=d^10g,g^a=g^10,c^b=c^2

Conjugacy classes & character table

1842 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30492, 4);