Finite Group Databasebeta
Cayley diagram

C17×Dic7 #90909

order476
isoclinismisoclinic class of D7
automorphismAut(G) = C2×C16×AGL(1,𝔽7) (order 1344) · Inn(G) = D7 · Out(G) = C2×C3×C16
homologyAbelianization (H1) = C4×C17 · Schur multiplier (H2) = C1

Aliases

direct productC17×Dic7
unambiguous semidirect productC7⋊(C4×C17)

Splittings

derived, SylowC7 ⋊ C4×C17
HallC7×C17 ⋊ C4

Subgroups

subgroupG/H
center, hypercenterC2×C17D7
commutator, hypocenterC7C4×C17
FrattiniC2D7×C17
Fitting, socle, prime radicalC2×C7×C17C2
cosocleC2×C7C2×C17
LCSG ▷ C7
UCSC1 ◁ C2×C17

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 28
transitive degreeμt(G) = 476

A minimal faithful permutation representation — 2 generators on 28 points:

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

Conjugacy classes & character table

170 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofDic7×D17, #11745751, #11745753, …
maximal normal subgroup ofDic7×D17, #11745751, #11745753, …
maximal quotient ofC17×C7⋊C8, C2×C17×Dic7, C3×C17×Dic7, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(476, 1);