Properties

Label 3420.2.dg
Level $3420$
Weight $2$
Character orbit 3420.dg
Rep. character $\chi_{3420}(521,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $48$
Newform subspaces $3$
Sturm bound $1440$
Trace bound $17$

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Defining parameters

Level: \( N \) \(=\) \( 3420 = 2^{2} \cdot 3^{2} \cdot 5 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3420.dg (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 57 \)
Character field: \(\Q(\zeta_{6})\)
Newform subspaces: \( 3 \)
Sturm bound: \(1440\)
Trace bound: \(17\)
Distinguishing \(T_p\): \(7\), \(17\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(3420, [\chi])\).

Total New Old
Modular forms 1488 48 1440
Cusp forms 1392 48 1344
Eisenstein series 96 0 96

Trace form

\( 48 q + O(q^{10}) \) \( 48 q + 24 q^{25} - 8 q^{43} + 48 q^{49} - 16 q^{61} - 24 q^{67} - 16 q^{73} + 72 q^{79} + 72 q^{91} + 48 q^{97} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(3420, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
3420.2.dg.a 3420.dg 57.f $8$ $27.309$ \(\Q(\zeta_{24})\) None \(0\) \(0\) \(0\) \(-8\) $\mathrm{SU}(2)[C_{6}]$ \(q+(\zeta_{24}^{2}-\zeta_{24}^{6})q^{5}+(-1-\zeta_{24}+2\zeta_{24}^{2}+\cdots)q^{7}+\cdots\)
3420.2.dg.b 3420.dg 57.f $8$ $27.309$ \(\Q(\zeta_{24})\) None \(0\) \(0\) \(0\) \(-8\) $\mathrm{SU}(2)[C_{6}]$ \(q+(-\zeta_{24}^{2}+\zeta_{24}^{6})q^{5}+(-1-\zeta_{24}+\cdots)q^{7}+\cdots\)
3420.2.dg.c 3420.dg 57.f $32$ $27.309$ None \(0\) \(0\) \(0\) \(16\) $\mathrm{SU}(2)[C_{6}]$

Decomposition of \(S_{2}^{\mathrm{old}}(3420, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(3420, [\chi]) \cong \)