Finite Group Databasebeta
Cayley diagram

#1142⋊C3 #66550

order336
isoclinismisoclinic class of #1141⋊C3
automorphismAut(G) = C2×D4×AGL(1,𝔽7) (order 672) · Inn(G) = (C22⋊D7)⋊C3 · Out(G) = C22
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product#1142⋊C3

Splittings

Hall#1142 ⋊ C3
HallΓL(1,𝔽8) ⋊ SD16
SylowC7 ⋊ C3×SD16

Subgroups

subgroupG/H
centerC2(C22⋊D7)⋊C3
commutator, cosocleC4×C7C22×C3
FrattiniC4C2×AGL(1,𝔽7)
FittingC7×D4C2×C3
socleC2×C7C3×D4
prime radicalD4×ΓL(1,𝔽8)C2
hypercenterD4AGL(1,𝔽7)
hypocenterC7C3×SD16
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C2 ◁ C4 ◁ D4

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 15
transitive degreeμt(G) = 56

A minimal faithful permutation representation — 2 generators on 15 points:

(1,2,7)(3,4,6)(9,12)(10,15)(13,14);(2,3)(4,6)(5,7)(8,9,11,14)(10,12,15,13)

Polycyclic presentation:

2^2,3,2^2,7|a^2=e,d^2=e,b^a=bd,d^a=de,f^a=f^6,d^b=de,f^c=f^4

Conjugacy classes & character table

26 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#6474⋊C3, #6475⋊C3, SD16×AGL(1,𝔽7), …
maximal normal subgroup of#6474⋊C3, #6475⋊C3, SD16×AGL(1,𝔽7), …
maximal quotient of#6382⋊C3, #6384⋊C3, #6406⋊C3, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(336, 19);