Finite Group Databasebeta

C9⋊(Dic113⋊C7) #43249762

order28476
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC9⋊(Dic113⋊C7)
unambiguous semidirect productDic1017⋊C7

Splittings

derived, HallC9×C113 ⋊ C4×C7
HallC9×C113⋊C7 ⋊ C4
HallDic1017 ⋊ C7
HallC113⋊C7 ⋊ Dic9
SylowC113 ⋊ C7×Dic9
SylowC9 ⋊ Dic113⋊C7

Subgroups

subgroupG/H
center, hypercenterC2C9⋊(D113⋊C7)
commutator, hypocenterC9×C113C4×C7
FrattiniC2×C3C3⋊(D113⋊C7)
Fitting, cosocleC2×C9×C113C2×C7
socleC2×C3×C113D3×C7
prime radicalC2×C3×C113⋊C7D3
LCSG ▷ C9×C113
UCSC1 ◁ C2

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4068

Polycyclic presentation:

2,3,7,113,2,3|a^2=e,b^3=f^2,b^a=b^2f,d^a=d^112,f^a=f^2,d^c=d^49

Conjugacy classes & character table

228 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28476, 13);