Finite Group Databasebeta
Cayley diagram

C2×D7×C17 #90917

order476
isoclinismisoclinic class of D7
automorphismAut(G) = C2×C16×AGL(1,𝔽7) (order 1344) · Inn(G) = D7 · Out(G) = C2×C3×C16
homologyAbelianization (H1) = C22×C17 · Schur multiplier (H2) = C2

Aliases

direct productC2×D7×C17
unambiguous semidirect productC7⋊(C22×C17)
unambiguous semidirect product(C2×C7)⋊(C2×C17)

Splittings

Fitting, socleC2×C7×C17 ⋊ C2
derived, SylowC7 ⋊ C22×C17
HallC7×C17 ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC2×C17D7
commutator, cosocle, hypocenterC7C22×C17
FrattiniC1G
Fitting, socleC2×C7×C17C2
LCSG ▷ C7
UCSC1 ◁ C2×C17

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 238

A minimal faithful permutation representation — 2 generators on 26 points:

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

Conjugacy classes & character table

170 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×Dic17, #11745752, #11745754, …
maximal normal subgroup ofD7×Dic17, #11745752, #11745754, …
maximal quotient ofC17×Dic14, C4×D7×C17, C17×D28, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(476, 9);