Finite Group Databasebeta
Cayley diagram

C2×C7×C17 #6638

order238
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) = C2×C3×C16 (order 96) · Inn(G) = C1 · Out(G) = C2×C3×C16
holomorphG ⋊ Aut(G) = C2×AGL(1,𝔽7)×AGL(1,𝔽17)
homologyAbelianization (H1) = G · Schur multiplier (H2) = C1

Aliases

cyclicC238
abelianC2×C7×C17
multiplicative(ℤ/239)ˣ, (ℤ/478)ˣ

Subgroups

subgroupG/H
centerGC1
commutator, FrattiniC1G
LCSG ▷ C1
UCSC1 ◁ G

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 1 generator 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)

Conjugacy classes & character table

238 conjugacy classes — view the full character table.

Relationships

center ofC7×D4×C17, C7×Q8×C17, C7×Dic3×C17, …
derived subgroup of#11745752, #11745753, #11745754, …
Frattini subgroup ofDic14161
Fitting subgroup ofC17×Dic7, C7×Dic17, Dic119, …
socle ofC17×Dic7, C7×Dic17, Dic119, …
maximal subgroup ofC17×Dic7, C7×Dic17, Dic119, …
maximal normal subgroup ofC17×Dic7, C7×Dic17, Dic119, …
maximal quotient ofC4×C7×C17, C22×C7×C17, D3×C7×C17, …
automorphism group ofC239, C2×C239
outer automorphism group ofC239, C2×C239

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(238, 4);