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The Auger Muon Infill Ground Array (AMIGA) is part of the AugerPrime upgrade of the Pierre Auger Observatory. It consists of particle counters buried 2.3 m underground next to the water-Cherenkov stations that form the 23.5 km^2 large infilled array. The reduced distance between detectors in this denser area allows the lowering of the energy threshold for primary cosmic ray reconstruction down to about 10^17 eV. At the depth of 2.3 m the electromagnetic component of cosmic ray showers is almostarXiv:2101.11747v2 fatcat:lgh7hm66znbethdzkwjcllko7a