| order | 186 |
| isoclinism | isoclinic class of D31⋊C3 |
| automorphism | Aut(G) = AGL(1,𝔽31) (order 930) · Inn(G) = G · Out(G) = C5 |
| homology | Abelianization (H1) = C2×C3 · Schur multiplier (H2) = C1 |
| unambiguous semidirect product | D31⋊C3 |
| unambiguous semidirect product | (C31⋊C3)⋊C2 |
| Fitting, socle, derived, Sylow | C31 ⋊ C2×C3 |
| Hall | C31⋊C3 ⋊ C2 |
| Hall | D31 ⋊ C3 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C1 | G |
| commutator, Fitting, socle, cosocle, hypocenter | C31 | C2×C3 |
| LCS | G ▷ C31 | |
| UCS | C1 | |
8 conjugacy classes of subgroups.
| minimal degree | μ(G) = 31 |
| transitive degree | μt(G) = 31 |
A minimal faithful permutation representation — 2 generators on 31 points:
(2,6,7,3,4,8)(5,14,15,9,10,22)(11,24,25,17,18,30)(12,23,19,20,16,13)(21,31,28,27,26,29);(1,2,5,11,19,7,6,12,21,28,15,23,14,18,26,25,30,31,24,10,16,22,29,27,20,4,8,13,17,9,3)Polycyclic presentation:
2,3,31|c^a=c^30,c^b=c^25| C1 | C2 | C3 | C4 | C5 | C6 | C7 | C8 | C9 | C10 | C11 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| size | 1 | 6 | 6 | 6 | 6 | 6 | 31 | 31 | 31 | 31 | 31 |
| order | 1 | 31 | 31 | 31 | 31 | 31 | 2 | 3 | 3 | 6 | 6 |
| χ1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| χ2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||||
| χ3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||||
| χ4 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | 1 | 1 | -1 | -1 |
| χ5 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | ||||
| χ6 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | ||||
| χ7 | 6 | −ζ8−ζ14−ζ17−ζ22−ζ23−ζ40−ζ53−ζ70−ζ71−ζ76−ζ79−ζ85 | −ζ−ζ5−ζ25−ζ26−ζ32−ζ37−ζ56−ζ61−ζ67−ζ68−ζ88−ζ92 | −ζ4−ζ7−ζ11−ζ20−ζ35−ζ38−ζ55−ζ58−ζ73−ζ82−ζ86−ζ89 | −ζ13−ζ16−ζ28−ζ34−ζ44−ζ46−ζ47−ζ49−ζ59−ζ65−ζ77−ζ80 | −ζ2−ζ10−ζ19−ζ29−ζ41−ζ43−ζ50−ζ52−ζ64−ζ74−ζ83−ζ91 | 0 | 0 | 0 | 0 | 0 |
| χ8 | 6 | −ζ−ζ5−ζ25−ζ26−ζ32−ζ37−ζ56−ζ61−ζ67−ζ68−ζ88−ζ92 | −ζ4−ζ7−ζ11−ζ20−ζ35−ζ38−ζ55−ζ58−ζ73−ζ82−ζ86−ζ89 | −ζ13−ζ16−ζ28−ζ34−ζ44−ζ46−ζ47−ζ49−ζ59−ζ65−ζ77−ζ80 | −ζ2−ζ10−ζ19−ζ29−ζ41−ζ43−ζ50−ζ52−ζ64−ζ74−ζ83−ζ91 | −ζ8−ζ14−ζ17−ζ22−ζ23−ζ40−ζ53−ζ70−ζ71−ζ76−ζ79−ζ85 | 0 | 0 | 0 | 0 | 0 |
| χ9 | 6 | −ζ4−ζ7−ζ11−ζ20−ζ35−ζ38−ζ55−ζ58−ζ73−ζ82−ζ86−ζ89 | −ζ13−ζ16−ζ28−ζ34−ζ44−ζ46−ζ47−ζ49−ζ59−ζ65−ζ77−ζ80 | −ζ2−ζ10−ζ19−ζ29−ζ41−ζ43−ζ50−ζ52−ζ64−ζ74−ζ83−ζ91 | −ζ8−ζ14−ζ17−ζ22−ζ23−ζ40−ζ53−ζ70−ζ71−ζ76−ζ79−ζ85 | −ζ−ζ5−ζ25−ζ26−ζ32−ζ37−ζ56−ζ61−ζ67−ζ68−ζ88−ζ92 | 0 | 0 | 0 | 0 | 0 |
| χ10 | 6 | −ζ13−ζ16−ζ28−ζ34−ζ44−ζ46−ζ47−ζ49−ζ59−ζ65−ζ77−ζ80 | −ζ2−ζ10−ζ19−ζ29−ζ41−ζ43−ζ50−ζ52−ζ64−ζ74−ζ83−ζ91 | −ζ8−ζ14−ζ17−ζ22−ζ23−ζ40−ζ53−ζ70−ζ71−ζ76−ζ79−ζ85 | −ζ−ζ5−ζ25−ζ26−ζ32−ζ37−ζ56−ζ61−ζ67−ζ68−ζ88−ζ92 | −ζ4−ζ7−ζ11−ζ20−ζ35−ζ38−ζ55−ζ58−ζ73−ζ82−ζ86−ζ89 | 0 | 0 | 0 | 0 | 0 |
| χ11 | 6 | −ζ2−ζ10−ζ19−ζ29−ζ41−ζ43−ζ50−ζ52−ζ64−ζ74−ζ83−ζ91 | −ζ8−ζ14−ζ17−ζ22−ζ23−ζ40−ζ53−ζ70−ζ71−ζ76−ζ79−ζ85 | −ζ−ζ5−ζ25−ζ26−ζ32−ζ37−ζ56−ζ61−ζ67−ζ68−ζ88−ζ92 | −ζ4−ζ7−ζ11−ζ20−ζ35−ζ38−ζ55−ζ58−ζ73−ζ82−ζ86−ζ89 | −ζ13−ζ16−ζ28−ζ34−ζ44−ζ46−ζ47−ζ49−ζ59−ζ65−ζ77−ζ80 | 0 | 0 | 0 | 0 | 0 |
Here ζ is a primitive root of unity of order 93 (ζ93 = 1); i = ζ23.
| maximal subgroup of | C2×D31⋊C3, C3×D31⋊C3, C3⋊(D31⋊C3), … |
| maximal normal subgroup of | C2×D31⋊C3, C3×D31⋊C3, AGL(1,𝔽31), … |
| maximal quotient of | (C31⋊C3)⋊C4, C2×D31⋊C3, D31⋊C9, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(186, 1);