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LMFDB label dimension base field Weil polynomial $p$-rank isogeny factors
4.2.ai_bg_adc_fg 4 $\F_{2}$ $(1-2x+2x^{2})^{4}$ $ 0$ 1.2.ac 4
4.2.ah_z_acg_ds 4 $\F_{2}$ $(1-2x+2x^{2})^{2}(1-3x+5x^{2}-6x^{3}+4x^{4})$ $ 2$ 1.2.ac 2 $\times$ 2.2.ad_f
4.2.ah_ba_ack_ea 4 $\F_{2}$ $(1-x+2x^{2})(1-2x+2x^{2})^{3}$ $ 1$ 1.2.ac 3 $\times$ 1.2.ab
4.2.ag_s_abk_ce 4 $\F_{2}$ $(1-2x+2x^{2})^{2}(1-2x+2x^{2}-4x^{3}+4x^{4})$ $ 0$ 1.2.ac 2 $\times$ 2.2.ac_c
4.2.ag_t_abq_cr 4 $\F_{2}$ $(1-3x+5x^{2}-6x^{3}+4x^{4})^{2}$ $ 4$ 2.2.ad_f 2
4.2.ag_t_abp_co 4 $\F_{2}$ $(1-2x+2x^{2})(1-4x+9x^{2}-15x^{3}+18x^{4}-16x^{5}+8x^{6})$ $ 3$ 1.2.ac $\times$ 3.2.ae_j_ap
4.2.ag_t_abo_cm 4 $\F_{2}$ $(1-2x+2x^{2})^{2}(1-2x+3x^{2}-4x^{3}+4x^{4})$ $ 2$ 1.2.ac 2 $\times$ 2.2.ac_d
4.2.ag_u_abt_cw 4 $\F_{2}$ $(1-2x+2x^{2})(1-x+2x^{2})(1-3x+5x^{2}-6x^{3}+4x^{4})$ $ 3$ 1.2.ac $\times$ 1.2.ab $\times$ 2.2.ad_f
4.2.ag_u_abs_cu 4 $\F_{2}$ $(1+2x^{2})(1-2x+2x^{2})^{3}$ $ 0$ 1.2.ac 3 $\times$ 1.2.a
4.2.ag_v_abw_dc 4 $\F_{2}$ $(1-2x+2x^{2})^{2}(1-x+2x^{2})^{2}$ $ 2$ 1.2.ac 2 $\times$ 1.2.ab 2
4.2.af_k_aj_g 4 $\F_{2}$ $(1-2x+2x^{2})(1-3x+2x^{2}+x^{3}+4x^{4}-12x^{5}+8x^{6})$ $ 3$ 1.2.ac $\times$ 3.2.ad_c_b
4.2.af_l_ao_q 4 $\F_{2}$ $(1-2x+2x^{2})^{2}(1-x-x^{2}-2x^{3}+4x^{4})$ $ 2$ 1.2.ac 2 $\times$ 2.2.ab_ab
4.2.af_m_au_bd 4 $\F_{2}$ $1-5x+12x^{2}-20x^{3}+29x^{4}-40x^{5}+48x^{6}-40x^{7}+16x^{8}$ $ 4$ simple
4.2.af_m_as_y 4 $\F_{2}$ $(1-2x+2x^{2})^{2}(1-x-2x^{3}+4x^{4})$ $ 1$ 1.2.ac 2 $\times$ 2.2.ab_a
4.2.af_n_aba_bq 4 $\F_{2}$ $(1-3x+5x^{2}-6x^{3}+4x^{4})(1-2x+2x^{2}-4x^{3}+4x^{4})$ $ 2$ 2.2.ad_f $\times$ 2.2.ac_c
4.2.af_n_az_bn 4 $\F_{2}$ $1-5x+13x^{2}-25x^{3}+39x^{4}-50x^{5}+52x^{6}-40x^{7}+16x^{8}$ $ 4$ simple
4.2.af_n_ax_bi 4 $\F_{2}$ $(1-2x+2x^{2})(1-3x+5x^{2}-7x^{3}+10x^{4}-12x^{5}+8x^{6})$ $ 3$ 1.2.ac $\times$ 3.2.ad_f_ah
4.2.af_n_aw_bg 4 $\F_{2}$ $(1-2x+2x^{2})^{2}(1-x+x^{2}-2x^{3}+4x^{4})$ $ 2$ 1.2.ac 2 $\times$ 2.2.ab_b
4.2.af_o_abd_bv 4 $\F_{2}$ $(1-3x+5x^{2}-6x^{3}+4x^{4})(1-2x+3x^{2}-4x^{3}+4x^{4})$ $ 4$ 2.2.ad_f $\times$ 2.2.ac_d
4.2.af_o_abc_bs 4 $\F_{2}$ $(1-2x+2x^{2})(1-x+2x^{2})(1-2x+2x^{2}-4x^{3}+4x^{4})$ $ 1$ 1.2.ac $\times$ 1.2.ab $\times$ 2.2.ac_c
4.2.af_o_abb_bq 4 $\F_{2}$ $(1-2x+2x^{2})(1-3x+6x^{2}-9x^{3}+12x^{4}-12x^{5}+8x^{6})$ $ 3$ 1.2.ac $\times$ 3.2.ad_g_aj
4.2.af_o_aba_bo 4 $\F_{2}$ $(1+x+2x^{2})(1-2x+2x^{2})^{3}$ $ 1$ 1.2.ac 3 $\times$ 1.2.b
4.2.af_p_abg_bz 4 $\F_{2}$ $(1-x+2x^{2})(1-4x+9x^{2}-15x^{3}+18x^{4}-16x^{5}+8x^{6})$ $ 4$ 1.2.ab $\times$ 3.2.ae_j_ap
4.2.af_p_abg_ca 4 $\F_{2}$ $(1-2x+2x^{2})(1+2x^{2})(1-3x+5x^{2}-6x^{3}+4x^{4})$ $ 2$ 1.2.ac $\times$ 1.2.a $\times$ 2.2.ad_f
4.2.af_p_abf_by 4 $\F_{2}$ $(1-2x+2x^{2})(1-x+2x^{2})(1-2x+3x^{2}-4x^{3}+4x^{4})$ $ 3$ 1.2.ac $\times$ 1.2.ab $\times$ 2.2.ac_d
4.2.af_p_abe_bw 4 $\F_{2}$ $(1-2x+2x^{2})^{2}(1-x+3x^{2}-2x^{3}+4x^{4})$ $ 2$ 1.2.ac 2 $\times$ 2.2.ab_d
4.2.af_q_abj_cf 4 $\F_{2}$ $(1-x+2x^{2})^{2}(1-3x+5x^{2}-6x^{3}+4x^{4})$ $ 4$ 1.2.ab 2 $\times$ 2.2.ad_f
4.2.af_q_abi_ce 4 $\F_{2}$ $(1-x+2x^{2})(1+2x^{2})(1-2x+2x^{2})^{2}$ $ 1$ 1.2.ac 2 $\times$ 1.2.ab $\times$ 1.2.a
4.2.af_r_abl_ck 4 $\F_{2}$ $(1-2x+2x^{2})(1-x+2x^{2})^{3}$ $ 3$ 1.2.ac $\times$ 1.2.ab 3
4.2.ae_e_h_av 4 $\F_{2}$ $1-4x+4x^{2}+7x^{3}-21x^{4}+14x^{5}+16x^{6}-32x^{7}+16x^{8}$ $ 4$ simple
4.2.ae_f_c_al 4 $\F_{2}$ $1-4x+5x^{2}+2x^{3}-11x^{4}+4x^{5}+20x^{6}-32x^{7}+16x^{8}$ $ 4$ simple
4.2.ae_f_e_aq 4 $\F_{2}$ $(1-2x+2x^{2})^{2}(1-3x^{2}+4x^{4})$ $ 2$ 1.2.ac 2 $\times$ 2.2.a_ad
4.2.ae_g_ae_c 4 $\F_{2}$ $1-4x+6x^{2}-4x^{3}+2x^{4}-8x^{5}+24x^{6}-32x^{7}+16x^{8}$ $ 0$ simple
4.2.ae_g_ab_ag 4 $\F_{2}$ $(1-2x+2x^{2})(1-2x+3x^{3}-8x^{5}+8x^{6})$ $ 3$ 1.2.ac $\times$ 3.2.ac_a_d
4.2.ae_g_a_ai 4 $\F_{2}$ $(1-2x+2x^{2})^{2}(1-2x^{2}+4x^{4})$ $ 0$ 1.2.ac 2 $\times$ 2.2.a_ac
4.2.ae_h_ak_p 4 $\F_{2}$ $(1-3x+5x^{2}-6x^{3}+4x^{4})(1-x-x^{2}-2x^{3}+4x^{4})$ $ 4$ 2.2.ad_f $\times$ 2.2.ab_ab
4.2.ae_h_ah_h 4 $\F_{2}$ $(1-x+2x^{2})(1-3x+2x^{2}+x^{3}+4x^{4}-12x^{5}+8x^{6})$ $ 4$ 1.2.ab $\times$ 3.2.ad_c_b
4.2.ae_h_ag_e 4 $\F_{2}$ $(1-2x+2x^{2})(1-2x+x^{2}+2x^{4}-8x^{5}+8x^{6})$ $ 2$ 1.2.ac $\times$ 3.2.ac_b_a
4.2.ae_h_af_c 4 $\F_{2}$ $(1-2x+2x^{2})(1-2x+x^{2}+x^{3}+2x^{4}-8x^{5}+8x^{6})$ $ 3$ 1.2.ac $\times$ 3.2.ac_b_b
4.2.ae_h_ae_a 4 $\F_{2}$ $(1-2x+2x^{2})^{2}(1-x^{2}+4x^{4})$ $ 2$ 1.2.ac 2 $\times$ 2.2.a_ab
4.2.ae_i_aq_bc 4 $\F_{2}$ $(1-2x+2x^{2}-4x^{3}+4x^{4})^{2}$ $ 0$ 2.2.ac_c 2
4.2.ae_i_an_u 4 $\F_{2}$ $(1-3x+5x^{2}-6x^{3}+4x^{4})(1-x-2x^{3}+4x^{4})$ $ 3$ 2.2.ad_f $\times$ 2.2.ab_a
4.2.ae_i_am_r 4 $\F_{2}$ $1-4x+8x^{2}-12x^{3}+17x^{4}-24x^{5}+32x^{6}-32x^{7}+16x^{8}$ $ 4$ simple
4.2.ae_i_al_o 4 $\F_{2}$ $(1-2x+2x^{2})(1-x+2x^{2})(1-x-x^{2}-2x^{3}+4x^{4})$ $ 3$ 1.2.ac $\times$ 1.2.ab $\times$ 2.2.ab_ab
4.2.ae_i_ak_m 4 $\F_{2}$ $(1-2x+2x^{2})(1-2x+2x^{2}-2x^{3}+4x^{4}-8x^{5}+8x^{6})$ $ 0$ 1.2.ac $\times$ 3.2.ac_c_ac
4.2.ae_i_aj_k 4 $\F_{2}$ $(1-2x+2x^{2})(1-2x+2x^{2}-x^{3}+4x^{4}-8x^{5}+8x^{6})$ $ 3$ 1.2.ac $\times$ 3.2.ac_c_ab
4.2.ae_i_ai_i 4 $\F_{2}$ $(1+2x+2x^{2})(1-2x+2x^{2})^{3}$ $ 0$ 1.2.ac 3 $\times$ 1.2.c
4.2.ae_j_as_be 4 $\F_{2}$ $(1-2x+2x^{2}-4x^{3}+4x^{4})(1-2x+3x^{2}-4x^{3}+4x^{4})$ $ 2$ 2.2.ac_c $\times$ 2.2.ac_d
4.2.ae_j_ar_bb 4 $\F_{2}$ $1-4x+9x^{2}-17x^{3}+27x^{4}-34x^{5}+36x^{6}-32x^{7}+16x^{8}$ $ 4$ simple
4.2.ae_j_aq_y 4 $\F_{2}$ $(1-2x+2x^{2})(1-2x+3x^{2}-6x^{3}+6x^{4}-8x^{5}+8x^{6})$ $ 2$ 1.2.ac $\times$ 3.2.ac_d_ag

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