Atlas › Modular forms › Weight 4 › Level 135 › 135.4.a › 135.4.a.h

Newform orbit 135.4.a.h

Trace form

The 3 newforms in this orbit are conjugate over $\mathbb{Q}$ ; the sum of their $q$ -expansions is

$3q + 5q^{2} + 17q^{4} + 15q^{5} - 4q^{7} + 75q^{8} + 25q^{10} + 5q^{11} + 7q^{13} + 60q^{14} + 161q^{16} + 155q^{17} - 50q^{19} + 85q^{20} - 229q^{22} + 285q^{23} + O(q^{25})$

Coefficient field

The coefficients $a_n$ generate a number field of degree 3. It is generated by the eigenvalue $\alpha$ of $T = T_{2} + 3T_{7}$ , whose minimal polynomial is

$x^{3} + 7x^{2} - 7403x - 201189$

Atkin–Lehner signs

$p$	$w_p$
3	— ( $3^2 \mid 135$ )
5	$-1$

For $p \parallel N$ every form in the orbit has $a_p = -p^{k/2-1} w_p$ .

Traces of Hecke eigenvalues

$p$	2	3	5	7	11	13	17	19	23	29	31	37	41	43	47	53	59	61	67	71	73	79	83	89	97
$\operatorname{tr} a_p$	5	0	15	−4	5	7	155	−50	285	115	−115	−384	580	−797	−145	−400	380	−152	2	40	−980	1013	270	1020	720

$\operatorname{tr} a_n$ for every $n \le 1000$ is in the JSON.

Provenance

Stored in the atlas: computed by Sagebrush's modular symbols engine in 0.129 s (one thread) and proven: the dimensions are certified, and the characteristic polynomial of $T$ over $\mathbb{Z}$ is reconstructed by CRT past a rigorous coefficient bound.

The engine's checks

dim M^+ at levels [1, 3, 5, 9, 15, 27, 45, 135]: [1, 2, 3, 4, 8, 10, 20, 56] (certified at ell = 2147483629)
T = [(2, 1), (7, 3)]; h of degree 16 = 1 x 16 (phi(ord eps) x dim S_k^new); 4 primes, 0 rejected

Open in the notebook · JSON · stored data

Recompute it yourself

In Sage mode at sagebrush.space (or npx sagebrush --sage):

newform_orbits(135, 4)[7]   # 135.4.a.h

With the Rust engine (source), in engine/:

cargo run --release -p sagebrush-web --example atlas -- 135:4 1000