Finite Group Databasebeta

C7⋊(D121⋊C5) #22554988

order8470
automorphism?
homologyAbelianization (H1) = C2×C5 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC7⋊(D121⋊C5)
unambiguous semidirect product(C121⋊C5)⋊D7
unambiguous semidirect productD847⋊C5

Splittings

Fitting, derived, HallC7×C121 ⋊ C2×C5
HallC7×C121⋊C5 ⋊ C2
HallD847 ⋊ C5
HallC121⋊C5 ⋊ D7
SylowC121 ⋊ C5×D7
SylowC7 ⋊ D121⋊C5

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC7×C121C2×C5
FrattiniC11C7⋊AGL(1,𝔽11)
socleC7×C11AGL(1,𝔽11)
LCSG ▷ C7×C121
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,5,7,11^2|d^11=e^10,c^a=c^6,d^a=d^10e,e^a=e^10,d^b=d^4e^4,e^b=e^4

Conjugacy classes & character table

109 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×D121⋊C5, C2×C7⋊(D121⋊C5), C3×C7⋊(D121⋊C5), …
maximal normal subgroup ofD7×D121⋊C5, C2×C7⋊(D121⋊C5), C3×C7⋊(D121⋊C5), …
maximal quotient ofC7⋊(Dic121⋊C5), C2×C7⋊(D121⋊C5), C3×C7⋊(D121⋊C5), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8470, 4);