Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [18,42,Mod(7,18)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(18, base_ring=CyclotomicField(6))
chi = DirichletCharacter(H, H._module([4]))
N = Newforms(chi, 42, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("18.7");
S:= CuspForms(chi, 42);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 18 = 2 \cdot 3^{2} \) |
Weight: | \( k \) | \(=\) | \( 42 \) |
Character orbit: | \([\chi]\) | \(=\) | 18.c (of order \(3\), degree \(2\), minimal) |
Newform invariants
comment: select newform
sage: f = N[0] # Warning: the index may be different
gp: f = lf[1] \\ Warning: the index may be different
Self dual: | no |
Analytic conductor: | \(191.649006822\) |
Analytic rank: | \(0\) |
Dimension: | \(42\) |
Relative dimension: | \(21\) over \(\Q(\zeta_{3})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{3}]$ |
$q$-expansion
The algebraic \(q\)-expansion of this newform has not been computed, but we have computed the trace expansion.
Embeddings
For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.
For more information on an embedded modular form you can click on its label.
comment: embeddings in the coefficient field
gp: mfembed(f)
Label | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
7.1 | −524288. | + | 908093.i | −6.03926e9 | + | 1.89408e7i | −5.49756e11 | − | 9.52205e11i | −1.32388e14 | − | 2.29303e14i | 3.14911e15 | − | 5.49414e15i | 1.00444e17 | − | 1.73974e17i | 1.15292e18 | 3.64723e19 | − | 2.28776e17i | 2.77638e20 | ||||
7.2 | −524288. | + | 908093.i | −6.03769e9 | − | 1.38980e8i | −5.49756e11 | − | 9.52205e11i | 1.53400e14 | + | 2.65696e14i | 3.29169e15 | − | 5.40992e15i | −9.97031e16 | + | 1.72691e17i | 1.15292e18 | 3.64344e19 | + | 1.67824e18i | −3.21703e20 | ||||
7.3 | −524288. | + | 908093.i | −5.85214e9 | + | 1.49181e9i | −5.49756e11 | − | 9.52205e11i | −1.65929e14 | − | 2.87398e14i | 1.71350e15 | − | 6.09643e15i | 6.34928e16 | − | 1.09973e17i | 1.15292e18 | 3.20220e19 | − | 1.74606e19i | 3.47979e20 | ||||
7.4 | −524288. | + | 908093.i | −5.66353e9 | + | 2.09701e9i | −5.49756e11 | − | 9.52205e11i | 1.03807e14 | + | 1.79800e14i | 1.06504e15 | − | 6.24245e15i | 9.12153e16 | − | 1.57989e17i | 1.15292e18 | 2.76781e19 | − | 2.37529e19i | −2.17700e20 | ||||
7.5 | −524288. | + | 908093.i | −5.17511e9 | − | 3.11308e9i | −5.49756e11 | − | 9.52205e11i | −3.95214e13 | − | 6.84531e13i | 5.54021e15 | − | 3.06733e15i | −1.87835e17 | + | 3.25340e17i | 1.15292e18 | 1.70905e19 | + | 3.22210e19i | 8.28825e19 | ||||
7.6 | −524288. | + | 908093.i | −4.52831e9 | + | 3.99592e9i | −5.49756e11 | − | 9.52205e11i | −4.28249e13 | − | 7.41749e13i | −1.25453e15 | − | 6.20714e15i | −1.01496e17 | + | 1.75797e17i | 1.15292e18 | 4.53818e18 | − | 3.61896e19i | 8.98103e19 | ||||
7.7 | −524288. | + | 908093.i | −3.73854e9 | − | 4.74303e9i | −5.49756e11 | − | 9.52205e11i | 1.22684e14 | + | 2.12494e14i | 6.26718e15 | − | 9.08234e14i | 5.99568e16 | − | 1.03848e17i | 1.15292e18 | −8.51960e18 | + | 3.54640e19i | −2.57286e20 | ||||
7.8 | −524288. | + | 908093.i | −2.46633e9 | − | 5.51273e9i | −5.49756e11 | − | 9.52205e11i | −1.35659e14 | − | 2.34967e14i | 6.29914e15 | + | 6.50597e14i | 1.48613e16 | − | 2.57406e16i | 1.15292e18 | −2.43074e19 | + | 2.71925e19i | 2.84497e20 | ||||
7.9 | −524288. | + | 908093.i | −1.64776e9 | + | 5.81015e9i | −5.49756e11 | − | 9.52205e11i | 3.72247e13 | + | 6.44750e13i | −4.41226e15 | − | 4.54251e15i | 1.48093e17 | − | 2.56505e17i | 1.15292e18 | −3.10428e19 | − | 1.91475e19i | −7.80658e19 | ||||
7.10 | −524288. | + | 908093.i | −1.35330e9 | + | 5.88571e9i | −5.49756e11 | − | 9.52205e11i | −1.40864e14 | − | 2.43983e14i | −4.63525e15 | − | 4.31473e15i | −1.09486e17 | + | 1.89635e17i | 1.15292e18 | −3.28101e19 | − | 1.59303e19i | 2.95413e20 | ||||
7.11 | −524288. | + | 908093.i | 8.40890e7 | + | 6.03870e9i | −5.49756e11 | − | 9.52205e11i | 1.60686e14 | + | 2.78317e14i | −5.52779e15 | − | 3.08966e15i | −5.95865e16 | + | 1.03207e17i | 1.15292e18 | −3.64589e19 | + | 1.01558e18i | −3.36983e20 | ||||
7.12 | −524288. | + | 908093.i | 3.47673e8 | − | 6.02927e9i | −5.49756e11 | − | 9.52205e11i | −3.28810e13 | − | 5.69515e13i | 5.29286e15 | + | 3.47679e15i | −8.73758e15 | + | 1.51339e16i | 1.15292e18 | −3.62312e19 | − | 4.19243e18i | 6.89564e19 | ||||
7.13 | −524288. | + | 908093.i | 1.47338e9 | − | 5.85680e9i | −5.49756e11 | − | 9.52205e11i | 1.29292e14 | + | 2.23941e14i | 4.54605e15 | + | 4.40862e15i | 3.67136e16 | − | 6.35899e16i | 1.15292e18 | −3.21313e19 | − | 1.72586e19i | −2.71145e20 | ||||
7.14 | −524288. | + | 908093.i | 2.90157e9 | + | 5.29659e9i | −5.49756e11 | − | 9.52205e11i | −9.19168e13 | − | 1.59205e14i | −6.33106e15 | − | 1.42045e14i | 6.83001e16 | − | 1.18299e17i | 1.15292e18 | −1.96348e19 | + | 3.07369e19i | 1.92764e20 | ||||
7.15 | −524288. | + | 908093.i | 3.65385e9 | − | 4.80858e9i | −5.49756e11 | − | 9.52205e11i | 2.49036e13 | + | 4.31343e13i | 2.45097e15 | + | 5.83911e15i | −1.32312e17 | + | 2.29171e17i | 1.15292e18 | −9.77182e18 | − | 3.51396e19i | −5.22267e19 | ||||
7.16 | −524288. | + | 908093.i | 3.97642e9 | + | 4.54545e9i | −5.49756e11 | − | 9.52205e11i | 8.28610e13 | + | 1.43520e14i | −6.21248e15 | + | 1.22784e15i | −1.16479e17 | + | 2.01747e17i | 1.15292e18 | −4.84917e18 | + | 3.61492e19i | −1.73772e20 | ||||
7.17 | −524288. | + | 908093.i | 4.23874e9 | − | 4.30187e9i | −5.49756e11 | − | 9.52205e11i | −1.27772e14 | − | 2.21308e14i | 1.68417e15 | + | 6.10459e15i | 1.95491e17 | − | 3.38600e17i | 1.15292e18 | −5.39103e17 | − | 3.64690e19i | 2.67957e20 | ||||
7.18 | −524288. | + | 908093.i | 5.46332e9 | − | 2.57394e9i | −5.49756e11 | − | 9.52205e11i | 1.96886e14 | + | 3.41016e14i | −5.26975e14 | + | 6.31069e15i | 1.26420e17 | − | 2.18967e17i | 1.15292e18 | 2.32227e19 | − | 2.81245e19i | −4.12899e20 | ||||
7.19 | −524288. | + | 908093.i | 5.68489e9 | + | 2.03839e9i | −5.49756e11 | − | 9.52205e11i | −3.40036e13 | − | 5.88960e13i | −4.83157e15 | + | 4.09370e15i | 1.02131e17 | − | 1.76896e17i | 1.15292e18 | 2.81629e19 | + | 2.31761e19i | 7.13108e19 | ||||
7.20 | −524288. | + | 908093.i | 5.96222e9 | − | 9.61756e8i | −5.49756e11 | − | 9.52205e11i | −1.88834e14 | − | 3.27070e14i | −2.25255e15 | + | 5.91849e15i | −1.39263e17 | + | 2.41211e17i | 1.15292e18 | 3.46230e19 | − | 1.14684e19i | 3.96013e20 | ||||
See all 42 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
9.c | even | 3 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 18.42.c.b | ✓ | 42 |
9.c | even | 3 | 1 | inner | 18.42.c.b | ✓ | 42 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
18.42.c.b | ✓ | 42 | 1.a | even | 1 | 1 | trivial |
18.42.c.b | ✓ | 42 | 9.c | even | 3 | 1 | inner |