Finite Group Databasebeta
Cayley diagram

D7×C25 #66836

order350
isoclinismisoclinic class of D7
automorphismAut(G) = C4×C5×AGL(1,𝔽7) (order 840) · Inn(G) = D7 · Out(G) = C3×C4×C5
homologyAbelianization (H1) = C2×C25 · Schur multiplier (H2) = C1

Aliases

direct productD7×C25
unambiguous semidirect productC7⋊(C2×C25)

Splittings

Fitting, HallC7×C25 ⋊ C2
derived, SylowC7 ⋊ C2×C25

Subgroups

subgroupG/H
center, hypercenterC25D7
commutator, hypocenterC7C2×C25
FrattiniC5C5×D7
FittingC7×C25C2
socle, cosocleC5×C7C2×C5
prime radicalC5×D7C5
LCSG ▷ C7
UCSC1 ◁ C25

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 175

A minimal faithful permutation representation — 2 generators on 32 points:

(2,3)(4,5)(6,7)(8,9,11,14,18,10,12,15,19,23,13,16,20,24,27,17,21,25,28,30,22,26,29,31,32);(1,2,4,6,7,5,3)

Conjugacy classes & character table

125 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×D25, C2×D7×C25, C25×AGL(1,𝔽7), …
maximal normal subgroup ofD7×D25, C2×D7×C25, C25×AGL(1,𝔽7), …
maximal quotient ofC25×Dic7, C2×D7×C25, C3×D7×C25, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(350, 2);