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Magma
magma: G := TransitiveGroup(38, 2);
Group action invariants
Degree $n$: | $38$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $2$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $D_{19}$ | ||
Parity: | $-1$ | magma: IsEven(G);
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Primitive: | no | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
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$\card{\Aut(F/K)}$: | $38$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | (1,4)(2,3)(5,37)(6,38)(7,36)(8,35)(9,33)(10,34)(11,32)(12,31)(13,30)(14,29)(15,28)(16,27)(17,25)(18,26)(19,24)(20,23)(21,22), (1,9)(2,10)(3,8)(4,7)(5,6)(11,37)(12,38)(13,36)(14,35)(15,33)(16,34)(17,32)(18,31)(19,30)(20,29)(21,27)(22,28)(23,25)(24,26) | magma: Generators(G);
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Low degree resolvents
|G/N| Galois groups for stem field(s) $2$: $C_2$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$
Degree 19: $D_{19}$
Low degree siblings
19T2Siblings are shown with degree $\leq 47$
A number field with this Galois group has no arithmetically equivalent fields.
Conjugacy classes
Cycle Type | Size | Order | Representative |
$ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 $ | $1$ | $1$ | $()$ |
$ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 $ | $19$ | $2$ | $( 1, 2)( 3,37)( 4,38)( 5,36)( 6,35)( 7,34)( 8,33)( 9,31)(10,32)(11,30)(12,29) (13,27)(14,28)(15,26)(16,25)(17,24)(18,23)(19,22)(20,21)$ |
$ 19, 19 $ | $2$ | $19$ | $( 1, 3, 5, 7,10,11,13,16,17,19,21,23,26,28,29,31,33,35,38)( 2, 4, 6, 8, 9,12, 14,15,18,20,22,24,25,27,30,32,34,36,37)$ |
$ 19, 19 $ | $2$ | $19$ | $( 1, 5,10,13,17,21,26,29,33,38, 3, 7,11,16,19,23,28,31,35)( 2, 6, 9,14,18,22, 25,30,34,37, 4, 8,12,15,20,24,27,32,36)$ |
$ 19, 19 $ | $2$ | $19$ | $( 1, 7,13,19,26,31,38, 5,11,17,23,29,35, 3,10,16,21,28,33)( 2, 8,14,20,25,32, 37, 6,12,18,24,30,36, 4, 9,15,22,27,34)$ |
$ 19, 19 $ | $2$ | $19$ | $( 1,10,17,26,33, 3,11,19,28,35, 5,13,21,29,38, 7,16,23,31)( 2, 9,18,25,34, 4, 12,20,27,36, 6,14,22,30,37, 8,15,24,32)$ |
$ 19, 19 $ | $2$ | $19$ | $( 1,11,21,31, 3,13,23,33, 5,16,26,35, 7,17,28,38,10,19,29)( 2,12,22,32, 4,14, 24,34, 6,15,25,36, 8,18,27,37, 9,20,30)$ |
$ 19, 19 $ | $2$ | $19$ | $( 1,13,26,38,11,23,35,10,21,33, 7,19,31, 5,17,29, 3,16,28)( 2,14,25,37,12,24, 36, 9,22,34, 8,20,32, 6,18,30, 4,15,27)$ |
$ 19, 19 $ | $2$ | $19$ | $( 1,16,29, 5,19,33,10,23,38,13,28, 3,17,31, 7,21,35,11,26)( 2,15,30, 6,20,34, 9,24,37,14,27, 4,18,32, 8,22,36,12,25)$ |
$ 19, 19 $ | $2$ | $19$ | $( 1,17,33,11,28, 5,21,38,16,31,10,26, 3,19,35,13,29, 7,23)( 2,18,34,12,27, 6, 22,37,15,32, 9,25, 4,20,36,14,30, 8,24)$ |
$ 19, 19 $ | $2$ | $19$ | $( 1,19,38,17,35,16,33,13,31,11,29,10,28, 7,26, 5,23, 3,21)( 2,20,37,18,36,15, 34,14,32,12,30, 9,27, 8,25, 6,24, 4,22)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $38=2 \cdot 19$ | 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: | 38.1 | magma: IdentifyGroup(G);
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Character table: |
2 1 1 . . . . . . . . . 19 1 . 1 1 1 1 1 1 1 1 1 1a 2a 19a 19b 19c 19d 19e 19f 19g 19h 19i 2P 1a 1a 19b 19d 19f 19h 19i 19g 19e 19c 19a 3P 1a 2a 19c 19f 19i 19g 19d 19a 19b 19e 19h 5P 1a 2a 19e 19i 19d 19a 19f 19h 19c 19b 19g 7P 1a 2a 19g 19e 19b 19i 19c 19d 19h 19a 19f 11P 1a 2a 19h 19c 19e 19f 19b 19i 19a 19g 19d 13P 1a 2a 19f 19g 19a 19e 19h 19b 19d 19i 19c 17P 1a 2a 19b 19d 19f 19h 19i 19g 19e 19c 19a 19P 1a 2a 1a 1a 1a 1a 1a 1a 1a 1a 1a X.1 1 1 1 1 1 1 1 1 1 1 1 X.2 1 -1 1 1 1 1 1 1 1 1 1 X.3 2 . A C G D F B E H I X.4 2 . B E A F H C D I G X.5 2 . C D B H I E F G A X.6 2 . D H E G A F I B C X.7 2 . E F C I G D H A B X.8 2 . F I D A B H G C E X.9 2 . G B I E D A C F H X.10 2 . H G F B C I A E D X.11 2 . I A H C E G B D F A = E(19)^6+E(19)^13 B = E(19)^2+E(19)^17 C = E(19)^7+E(19)^12 D = E(19)^5+E(19)^14 E = E(19)^4+E(19)^15 F = E(19)^8+E(19)^11 G = E(19)+E(19)^18 H = E(19)^9+E(19)^10 I = E(19)^3+E(19)^16 |
magma: CharacterTable(G);