Finite Group Databasebeta
Cayley diagram

C5×Dic17 #66768

order340
isoclinismisoclinic class of D17
automorphismAut(G) = C2×C4×AGL(1,𝔽17) (order 2176) · Inn(G) = D17 · Out(G) = C2×C4×C8
homologyAbelianization (H1) = C4×C5 · Schur multiplier (H2) = C1

Aliases

direct productC5×Dic17

Splittings

derived, SylowC17 ⋊ C4×C5
HallC5×C17 ⋊ C4

Subgroups

subgroupG/H
center, hypercenterC2×C5D17
commutator, hypocenterC17C4×C5
FrattiniC2C5×D17
Fitting, socle, prime radicalC2×C5×C17C2
cosocleC2×C17C2×C5
LCSG ▷ C17
UCSC1 ◁ C2×C5

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 340

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

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

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC5×#3624, #10621746, D5×Dic17, …
maximal normal subgroup ofC5×#3624, #10621746, D5×Dic17, …
maximal quotient ofC5×#3622, C2×C5×Dic17, C3×C5×Dic17, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(340, 2);