Finite Group Databasebeta

C7⋊#11925898 #22555017

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

Aliases

unambiguous semidirect productC7⋊#11925898

Splittings

Fitting, socle, derived, HallC7×C112 ⋊ C2×C5
HallC7×#10597244 ⋊ C2
HallC11×D77 ⋊ C5
Hall#10597244 ⋊ D7
SylowC112 ⋊ C5×D7
SylowC7 ⋊ #11925898

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC7×C112C2×C5
LCSG ▷ C7×C112
UCSC1

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

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

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11925897⋊D7, #11925894⋊D7, D7×#11925898, …
maximal normal subgroup of#11925897⋊D7, #11925894⋊D7, D7×#11925898, …
maximal quotient ofC7⋊#14559057, C2×C7⋊#11925898, C3×C7⋊#11925898, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8470, 33);