Finite Group Databasebeta

D997⋊M16 #44542386

order31904
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productD997⋊M16

Splittings

SylowC997 ⋊ C2×M16

Subgroups

subgroupG/H
centerC4C2×#16860614
commutator, socleC2×C997C22×C4
FrattiniC2C22×#16860614
FittingC2×C4×C997C4
prime radicalC22×D997C4
cosocleDic997C23
hypercenterC2×C4#16860614
hypocenterC997C2×M16
LCSG ▷ C2×C997 ▷ C997
UCSC1 ◁ C4 ◁ C2×C4

68 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7976

Polycyclic presentation:

2^5,997|a^2=d,d^2=e,b^a=be,f^a=f^161,f^c=f^996,f^d=f^996

Conjugacy classes & character table

2012 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31904, 231);