Finite Group Databasebeta

C7⋊(C7⋊#3874) #20301285

order7350
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C7

Aliases

unambiguous semidirect productC7⋊(C7⋊#3874)

Splittings

Fitting, socle, HallC52×C72 ⋊ D3
derived, HallC72×C52⋊C3 ⋊ C2
HallC52⋊C3 ⋊ C7⋊D7
SylowC72 ⋊ #3874
SylowC52 ⋊ C3⋊(C7⋊D7)

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, hypocenterC72×C52⋊C3C2
Fitting, socleC52×C72D3
LCSG ▷ C72×C52⋊C3
UCSC1

120 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,3,7^2,5^2|b^a=b^2,c^a=c^6,d^a=d^6,e^a=e^2f,f^a=e^2f^3,e^b=e^2f^4,f^b=e^2f^2

Conjugacy classes & character table

277 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#3874⋊(C7⋊D7), ((C5⋊D5)⋊C3)⋊(C7⋊D7), #28413343, …
maximal normal subgroup of#3874⋊(C7⋊D7), ((C5⋊D5)⋊C3)⋊(C7⋊D7), #28413343, …
maximal quotient ofC7⋊(C7⋊#64470), C2×C7⋊(C7⋊#3874), C7⋊(C7⋊#90646), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7350, 108);