We report the discovery of a grand-design spiral galaxy associated with a double-lobed radio source .
J1649+2635 ( z = 0.0545 ) is a red spiral galaxy with a prominent bulge that it is associated with a L _ { 1.4 { GHz } } \sim 10 ^ { 24 } W Hz ^ { -1 } double-lobed radio source that spans almost 100 kpc .
J1649+2635 has a black hole mass of M _ { BH } \sim 3–7 \times 10 ^ { 8 } M _ { \odot } and SFR \sim 0.26 – 2.6 M _ { \odot } year ^ { -1 } .
The galaxy hosts a \sim 96 kpc diffuse optical halo , which is unprecedented for spiral galaxies .
We find that J1649+2635 resides in an overdense environment with a mass of M _ { dyn } = 7.7 ^ { +7.9 } _ { -4.3 } \times 10 ^ { 13 } M _ { \odot } , likely a galaxy group below the detection threshold of the ROSAT All-Sky Survey .
We suggest one possible scenario for the association of double-lobed radio emission from J1649+2635 is that the source may be similar to a Seyfert galaxy , located in a denser-than-normal environment .
The study of spiral galaxies that host large-scale radio emission is important because although rare in the local Universe , these sources may be more common at high-redshifts .