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Magma
magma: G := TransitiveGroup(36, 46);
Group action invariants
Degree $n$: | $36$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $46$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $C_9:D_4$ | ||
Parity: | $-1$ | magma: IsEven(G);
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Primitive: | no | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
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$\card{\Aut(F/K)}$: | $2$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | (1,18,2,17)(3,19,4,20)(5,14,6,13)(7,16,8,15)(9,11,10,12)(21,34,22,33)(23,35,24,36)(25,30,26,29)(27,31,28,32), (1,16)(2,15)(3,14)(4,13)(5,10)(6,9)(7,12)(8,11)(17,36)(18,35)(19,33)(20,34)(21,29)(22,30)(23,32)(24,31)(27,28) | magma: Generators(G);
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Low degree resolvents
$\card{(G/N)}$ Galois groups for stem field(s) $2$: $C_2$ x 3 $4$: $C_2^2$ $6$: $S_3$ $8$: $D_{4}$ $12$: $D_{6}$ $18$: $D_{9}$ $24$: $(C_6\times C_2):C_2$ $36$: $D_{18}$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$
Degree 3: $S_3$
Degree 4: $D_{4}$
Degree 6: $D_{6}$
Degree 9: $D_{9}$
Degree 12: $(C_6\times C_2):C_2$
Degree 18: $D_{18}$
Low degree siblings
36T24Siblings are shown with degree $\leq 47$
A number field with this Galois group has no arithmetically equivalent fields.
Conjugacy classes
Label | Cycle Type | Size | Order | Index | Representative |
1A | $1^{36}$ | $1$ | $1$ | $0$ | $()$ |
2A | $2^{18}$ | $1$ | $2$ | $18$ | $( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16)(17,18)(19,20)(21,22)(23,24)(25,26)(27,28)(29,30)(31,32)(33,34)(35,36)$ |
2B | $2^{18}$ | $2$ | $2$ | $18$ | $( 1, 3)( 2, 4)( 5, 7)( 6, 8)( 9,12)(10,11)(13,16)(14,15)(17,19)(18,20)(21,23)(22,24)(25,27)(26,28)(29,31)(30,32)(33,35)(34,36)$ |
2C | $2^{17},1^{2}$ | $18$ | $2$ | $17$ | $( 1,32)( 2,31)( 3,29)( 4,30)( 5,26)( 6,25)( 7,27)( 8,28)( 9,24)(10,23)(11,22)(12,21)(13,17)(14,18)(15,19)(16,20)(33,34)$ |
3A | $3^{12}$ | $2$ | $3$ | $24$ | $( 1,16,25)( 2,15,26)( 3,13,27)( 4,14,28)( 5,19,31)( 6,20,32)( 7,17,29)( 8,18,30)( 9,23,34)(10,24,33)(11,22,35)(12,21,36)$ |
4A | $4^{9}$ | $18$ | $4$ | $27$ | $( 1,29, 2,30)( 3,32, 4,31)( 5,27, 6,28)( 7,26, 8,25)( 9,21,10,22)(11,23,12,24)(13,20,14,19)(15,18,16,17)(33,35,34,36)$ |
6A | $6^{6}$ | $2$ | $6$ | $30$ | $( 1,26,16, 2,25,15)( 3,28,13, 4,27,14)( 5,32,19, 6,31,20)( 7,30,17, 8,29,18)( 9,33,23,10,34,24)(11,36,22,12,35,21)$ |
6B1 | $6^{6}$ | $2$ | $6$ | $30$ | $( 1,28,16, 4,25,14)( 2,27,15, 3,26,13)( 5,30,19, 8,31,18)( 6,29,20, 7,32,17)( 9,35,23,11,34,22)(10,36,24,12,33,21)$ |
6B-1 | $6^{6}$ | $2$ | $6$ | $30$ | $( 1,14,25, 4,16,28)( 2,13,26, 3,15,27)( 5,18,31, 8,19,30)( 6,17,32, 7,20,29)( 9,22,34,11,23,35)(10,21,33,12,24,36)$ |
9A1 | $9^{4}$ | $2$ | $9$ | $32$ | $( 1, 5,10,16,19,24,25,31,33)( 2, 6, 9,15,20,23,26,32,34)( 3, 7,11,13,17,22,27,29,35)( 4, 8,12,14,18,21,28,30,36)$ |
9A2 | $9^{4}$ | $2$ | $9$ | $32$ | $( 1,31,24,16, 5,33,25,19,10)( 2,32,23,15, 6,34,26,20, 9)( 3,29,22,13, 7,35,27,17,11)( 4,30,21,14, 8,36,28,18,12)$ |
9A4 | $9^{4}$ | $2$ | $9$ | $32$ | $( 1,24, 5,25,10,31,16,33,19)( 2,23, 6,26, 9,32,15,34,20)( 3,22, 7,27,11,29,13,35,17)( 4,21, 8,28,12,30,14,36,18)$ |
18A1 | $18^{2}$ | $2$ | $18$ | $34$ | $( 1,18,33,14,31,12,25, 8,24, 4,19,36,16,30,10,28, 5,21)( 2,17,34,13,32,11,26, 7,23, 3,20,35,15,29, 9,27, 6,22)$ |
18A5 | $18^{2}$ | $2$ | $18$ | $34$ | $( 1,12,19,28,33, 8,16,21,31, 4,10,18,25,36, 5,14,24,30)( 2,11,20,27,34, 7,15,22,32, 3, 9,17,26,35, 6,13,23,29)$ |
18A7 | $18^{2}$ | $2$ | $18$ | $34$ | $( 1,21, 5,28,10,30,16,36,19, 4,24, 8,25,12,31,14,33,18)( 2,22, 6,27, 9,29,15,35,20, 3,23, 7,26,11,32,13,34,17)$ |
18B1 | $18^{2}$ | $2$ | $18$ | $34$ | $( 1,20,33,15,31, 9,25, 6,24, 2,19,34,16,32,10,26, 5,23)( 3,18,35,14,29,12,27, 8,22, 4,17,36,13,30,11,28, 7,21)$ |
18B-1 | $18^{2}$ | $2$ | $18$ | $34$ | $( 1,34,31,26,24,20,16, 9, 5, 2,33,32,25,23,19,15,10, 6)( 3,36,29,28,22,18,13,12, 7, 4,35,30,27,21,17,14,11, 8)$ |
18B5 | $18^{2}$ | $2$ | $18$ | $34$ | $( 1, 8,10,14,19,21,25,30,33, 4, 5,12,16,18,24,28,31,36)( 2, 7, 9,13,20,22,26,29,34, 3, 6,11,15,17,23,27,32,35)$ |
18B-5 | $18^{2}$ | $2$ | $18$ | $34$ | $( 1,30,24,14, 5,36,25,18,10, 4,31,21,16, 8,33,28,19,12)( 2,29,23,13, 6,35,26,17, 9, 3,32,22,15, 7,34,27,20,11)$ |
18B7 | $18^{2}$ | $2$ | $18$ | $34$ | $( 1,36,31,28,24,18,16,12, 5, 4,33,30,25,21,19,14,10, 8)( 2,35,32,27,23,17,15,11, 6, 3,34,29,26,22,20,13, 9, 7)$ |
18B-7 | $18^{2}$ | $2$ | $18$ | $34$ | $( 1, 9,19,26,33, 6,16,23,31, 2,10,20,25,34, 5,15,24,32)( 3,12,17,28,35, 8,13,21,29, 4,11,18,27,36, 7,14,22,30)$ |
Malle's constant $a(G)$: $1/17$
magma: ConjugacyClasses(G);
Group invariants
Order: | $72=2^{3} \cdot 3^{2}$ | magma: Order(G);
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Cyclic: | no | magma: IsCyclic(G);
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Abelian: | no | magma: IsAbelian(G);
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Solvable: | yes | magma: IsSolvable(G);
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Nilpotency class: | not nilpotent | ||
Label: | 72.8 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 2B | 2C | 3A | 4A | 6A | 6B1 | 6B-1 | 9A1 | 9A2 | 9A4 | 18A1 | 18A5 | 18A7 | 18B1 | 18B-1 | 18B5 | 18B-5 | 18B7 | 18B-7 | ||
Size | 1 | 1 | 2 | 18 | 2 | 18 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
2 P | 1A | 1A | 1A | 1A | 3A | 2A | 3A | 3A | 3A | 9A1 | 9A2 | 9A4 | 9A4 | 9A2 | 9A4 | 9A4 | 9A1 | 9A1 | 9A2 | 9A1 | 9A2 | |
3 P | 1A | 2A | 2B | 2C | 1A | 4A | 2A | 2B | 2B | 3A | 3A | 3A | 6B-1 | 6B1 | 6B1 | 6A | 6A | 6B-1 | 6B-1 | 6B1 | 6A | |
Type | ||||||||||||||||||||||
72.8.1a | R | |||||||||||||||||||||
72.8.1b | R | |||||||||||||||||||||
72.8.1c | R | |||||||||||||||||||||
72.8.1d | R | |||||||||||||||||||||
72.8.2a | R | |||||||||||||||||||||
72.8.2b | R | |||||||||||||||||||||
72.8.2c | R | |||||||||||||||||||||
72.8.2d1 | C | |||||||||||||||||||||
72.8.2d2 | C | |||||||||||||||||||||
72.8.2e1 | R | |||||||||||||||||||||
72.8.2e2 | R | |||||||||||||||||||||
72.8.2e3 | R | |||||||||||||||||||||
72.8.2f1 | R | |||||||||||||||||||||
72.8.2f2 | R | |||||||||||||||||||||
72.8.2f3 | R | |||||||||||||||||||||
72.8.2g1 | C | |||||||||||||||||||||
72.8.2g2 | C | |||||||||||||||||||||
72.8.2g3 | C | |||||||||||||||||||||
72.8.2g4 | C | |||||||||||||||||||||
72.8.2g5 | C | |||||||||||||||||||||
72.8.2g6 | C |
magma: CharacterTable(G);