Finite Group Databasebeta
Cayley diagram

Dic3⋊Dic7 #66578

order336
isoclinismisoclinic class of #4245
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productDic3⋊Dic7

Splittings

HallC3×C7 ⋊ C4⋊C4
SylowC7 ⋊ Dic3⋊C4
SylowC3 ⋊ C4⋊Dic7

Subgroups

subgroupG/H
center, Frattini, hypercenterC22D3×D7
commutatorC2×C3×C7C2×C4
Fitting, socle, prime radical, cosocleC22×C3×C7C22
hypocenterC3×C7C4⋊C4
LCSG ▷ C2×C3×C7 ▷ C3×C7
UCSC1 ◁ C22

52 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 336

A minimal faithful permutation representation — 2 generators on 18 points:

(1,2,4,6,7,5,3)(9,10)(15,16,17,18);(2,3)(4,5)(6,7)(8,9,10)(11,12,13,14)(16,18)

Polycyclic presentation:

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

Conjugacy classes & character table

54 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10620886, #10620889, #10620890, …
maximal normal subgroup of#10620886, #10620889, #10620890, …
maximal quotient ofDic3⋊(C7⋊C8), #10620522, #10620525, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(336, 47);