Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [845,2,Mod(316,845)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(845, base_ring=CyclotomicField(6))
chi = DirichletCharacter(H, H._module([0, 1]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("845.316");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 845 = 5 \cdot 13^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 845.m (of order \(6\), degree \(2\), not 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: | \(6.74735897080\) |
Analytic rank: | \(0\) |
Dimension: | \(36\) |
Relative dimension: | \(18\) over \(\Q(\zeta_{6})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{6}]$ |
$q$-expansion
The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, 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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
316.1 | −2.41570 | − | 1.39471i | 0.907309 | − | 1.57151i | 2.89042 | + | 5.00635i | 1.00000i | −4.38358 | + | 2.53086i | −0.233481 | + | 0.134800i | − | 10.5463i | −0.146421 | − | 0.253609i | 1.39471 | − | 2.41570i | |||
316.2 | −2.28282 | − | 1.31799i | −0.994722 | + | 1.72291i | 2.47417 | + | 4.28539i | 1.00000i | 4.54154 | − | 2.62206i | 2.84256 | − | 1.64115i | − | 7.77176i | −0.478943 | − | 0.829553i | 1.31799 | − | 2.28282i | |||
316.3 | −2.23996 | − | 1.29324i | −0.442413 | + | 0.766281i | 2.34494 | + | 4.06156i | − | 1.00000i | 1.98197 | − | 1.14429i | 0.743381 | − | 0.429191i | − | 6.95735i | 1.10854 | + | 1.92005i | −1.29324 | + | 2.23996i | ||
316.4 | −1.97522 | − | 1.14039i | −1.60714 | + | 2.78365i | 1.60100 | + | 2.77301i | − | 1.00000i | 6.34890 | − | 3.66554i | 1.99506 | − | 1.15185i | − | 2.74149i | −3.66579 | − | 6.34933i | −1.14039 | + | 1.97522i | ||
316.5 | −1.91007 | − | 1.10278i | 0.00652833 | − | 0.0113074i | 1.43225 | + | 2.48072i | 1.00000i | −0.0249391 | + | 0.0143986i | −3.99148 | + | 2.30448i | − | 1.90669i | 1.49991 | + | 2.59793i | 1.10278 | − | 1.91007i | |||
316.6 | −1.32578 | − | 0.765438i | −1.44363 | + | 2.50044i | 0.171790 | + | 0.297550i | 1.00000i | 3.82786 | − | 2.21002i | −3.34713 | + | 1.93247i | 2.53577i | −2.66813 | − | 4.62133i | 0.765438 | − | 1.32578i | ||||
316.7 | −0.906907 | − | 0.523603i | 1.37934 | − | 2.38909i | −0.451680 | − | 0.782333i | − | 1.00000i | −2.50186 | + | 1.44445i | 2.96497 | − | 1.71183i | 3.04042i | −2.30515 | − | 3.99264i | −0.523603 | + | 0.906907i | |||
316.8 | −0.235017 | − | 0.135687i | 0.159809 | − | 0.276797i | −0.963178 | − | 1.66827i | − | 1.00000i | −0.0751154 | + | 0.0433679i | −2.92848 | + | 1.69076i | 1.06551i | 1.44892 | + | 2.50961i | −0.135687 | + | 0.235017i | |||
316.9 | −0.0208077 | − | 0.0120133i | −1.46508 | + | 2.53760i | −0.999711 | − | 1.73155i | 1.00000i | 0.0609700 | − | 0.0352011i | 1.44229 | − | 0.832707i | 0.0960927i | −2.79295 | − | 4.83752i | 0.0120133 | − | 0.0208077i | ||||
316.10 | 0.0208077 | + | 0.0120133i | −1.46508 | + | 2.53760i | −0.999711 | − | 1.73155i | − | 1.00000i | −0.0609700 | + | 0.0352011i | −1.44229 | + | 0.832707i | − | 0.0960927i | −2.79295 | − | 4.83752i | 0.0120133 | − | 0.0208077i | ||
316.11 | 0.235017 | + | 0.135687i | 0.159809 | − | 0.276797i | −0.963178 | − | 1.66827i | 1.00000i | 0.0751154 | − | 0.0433679i | 2.92848 | − | 1.69076i | − | 1.06551i | 1.44892 | + | 2.50961i | −0.135687 | + | 0.235017i | |||
316.12 | 0.906907 | + | 0.523603i | 1.37934 | − | 2.38909i | −0.451680 | − | 0.782333i | 1.00000i | 2.50186 | − | 1.44445i | −2.96497 | + | 1.71183i | − | 3.04042i | −2.30515 | − | 3.99264i | −0.523603 | + | 0.906907i | |||
316.13 | 1.32578 | + | 0.765438i | −1.44363 | + | 2.50044i | 0.171790 | + | 0.297550i | − | 1.00000i | −3.82786 | + | 2.21002i | 3.34713 | − | 1.93247i | − | 2.53577i | −2.66813 | − | 4.62133i | 0.765438 | − | 1.32578i | ||
316.14 | 1.91007 | + | 1.10278i | 0.00652833 | − | 0.0113074i | 1.43225 | + | 2.48072i | − | 1.00000i | 0.0249391 | − | 0.0143986i | 3.99148 | − | 2.30448i | 1.90669i | 1.49991 | + | 2.59793i | 1.10278 | − | 1.91007i | |||
316.15 | 1.97522 | + | 1.14039i | −1.60714 | + | 2.78365i | 1.60100 | + | 2.77301i | 1.00000i | −6.34890 | + | 3.66554i | −1.99506 | + | 1.15185i | 2.74149i | −3.66579 | − | 6.34933i | −1.14039 | + | 1.97522i | ||||
316.16 | 2.23996 | + | 1.29324i | −0.442413 | + | 0.766281i | 2.34494 | + | 4.06156i | 1.00000i | −1.98197 | + | 1.14429i | −0.743381 | + | 0.429191i | 6.95735i | 1.10854 | + | 1.92005i | −1.29324 | + | 2.23996i | ||||
316.17 | 2.28282 | + | 1.31799i | −0.994722 | + | 1.72291i | 2.47417 | + | 4.28539i | − | 1.00000i | −4.54154 | + | 2.62206i | −2.84256 | + | 1.64115i | 7.77176i | −0.478943 | − | 0.829553i | 1.31799 | − | 2.28282i | |||
316.18 | 2.41570 | + | 1.39471i | 0.907309 | − | 1.57151i | 2.89042 | + | 5.00635i | − | 1.00000i | 4.38358 | − | 2.53086i | 0.233481 | − | 0.134800i | 10.5463i | −0.146421 | − | 0.253609i | 1.39471 | − | 2.41570i | |||
361.1 | −2.41570 | + | 1.39471i | 0.907309 | + | 1.57151i | 2.89042 | − | 5.00635i | − | 1.00000i | −4.38358 | − | 2.53086i | −0.233481 | − | 0.134800i | 10.5463i | −0.146421 | + | 0.253609i | 1.39471 | + | 2.41570i | |||
361.2 | −2.28282 | + | 1.31799i | −0.994722 | − | 1.72291i | 2.47417 | − | 4.28539i | − | 1.00000i | 4.54154 | + | 2.62206i | 2.84256 | + | 1.64115i | 7.77176i | −0.478943 | + | 0.829553i | 1.31799 | + | 2.28282i | |||
See all 36 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
13.b | even | 2 | 1 | inner |
13.c | even | 3 | 1 | inner |
13.e | even | 6 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 845.2.m.j | 36 | |
13.b | even | 2 | 1 | inner | 845.2.m.j | 36 | |
13.c | even | 3 | 1 | 845.2.c.h | 18 | ||
13.c | even | 3 | 1 | inner | 845.2.m.j | 36 | |
13.d | odd | 4 | 1 | 845.2.e.o | 18 | ||
13.d | odd | 4 | 1 | 845.2.e.p | 18 | ||
13.e | even | 6 | 1 | 845.2.c.h | 18 | ||
13.e | even | 6 | 1 | inner | 845.2.m.j | 36 | |
13.f | odd | 12 | 1 | 845.2.a.n | ✓ | 9 | |
13.f | odd | 12 | 1 | 845.2.a.o | yes | 9 | |
13.f | odd | 12 | 1 | 845.2.e.o | 18 | ||
13.f | odd | 12 | 1 | 845.2.e.p | 18 | ||
39.k | even | 12 | 1 | 7605.2.a.cp | 9 | ||
39.k | even | 12 | 1 | 7605.2.a.cs | 9 | ||
65.s | odd | 12 | 1 | 4225.2.a.bs | 9 | ||
65.s | odd | 12 | 1 | 4225.2.a.bt | 9 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
845.2.a.n | ✓ | 9 | 13.f | odd | 12 | 1 | |
845.2.a.o | yes | 9 | 13.f | odd | 12 | 1 | |
845.2.c.h | 18 | 13.c | even | 3 | 1 | ||
845.2.c.h | 18 | 13.e | even | 6 | 1 | ||
845.2.e.o | 18 | 13.d | odd | 4 | 1 | ||
845.2.e.o | 18 | 13.f | odd | 12 | 1 | ||
845.2.e.p | 18 | 13.d | odd | 4 | 1 | ||
845.2.e.p | 18 | 13.f | odd | 12 | 1 | ||
845.2.m.j | 36 | 1.a | even | 1 | 1 | trivial | |
845.2.m.j | 36 | 13.b | even | 2 | 1 | inner | |
845.2.m.j | 36 | 13.c | even | 3 | 1 | inner | |
845.2.m.j | 36 | 13.e | even | 6 | 1 | inner | |
4225.2.a.bs | 9 | 65.s | odd | 12 | 1 | ||
4225.2.a.bt | 9 | 65.s | odd | 12 | 1 | ||
7605.2.a.cp | 9 | 39.k | even | 12 | 1 | ||
7605.2.a.cs | 9 | 39.k | even | 12 | 1 |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{36} - 35 T_{2}^{34} + 718 T_{2}^{32} - 9921 T_{2}^{30} + 102934 T_{2}^{28} - 822222 T_{2}^{26} + \cdots + 1 \) acting on \(S_{2}^{\mathrm{new}}(845, [\chi])\).