Finite Group Databasebeta

((C43⋊C3)⋊D7)⋊D7 #38760456

order25284
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product((C43⋊C3)⋊D7)⋊D7

Splittings

Fitting, socle, derived, HallC72×C43 ⋊ C22×C3
Hall(C7⋊D7)⋊D43 ⋊ C3
HallC72×C43⋊C3 ⋊ C22
HallC43⋊C3 ⋊ D72
SylowC72 ⋊ C2×D43⋊C3
SylowC43 ⋊ C3×D72

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC72×C43C22×C3
LCSG ▷ C72×C43
UCSC1

104 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 602

Polycyclic presentation:

2^2,3,7^2,43|d^a=d^6,f^a=f^42,d^b=d^6,e^b=e^6,f^c=f^36

Conjugacy classes & character table

257 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25284, 263);