Finite Group Databasebeta

C19⋊#564 #11927299

order1216
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

unambiguous semidirect productC19⋊#564

Splittings

SylowC19 ⋊ #564

Subgroups

subgroupG/H
center, FrattiniC22C23×D19
commutator, socle, prime radical, cosocleC22×C19C24
FittingC19×#125C2
hypercenter#125D19
hypocenterC19#564
LCSG ▷ C22×C19 ▷ C19
UCSC1 ◁ C22 ◁ #125

172 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1216

Polycyclic presentation:

2^6,19|a^2=e,b^2=f,c^2=f,d^2=e,b^a=be,c^a=cf,d^a=def,c^b=cef,d^b=de,g^d=g^18

Conjugacy classes & character table

145 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#14562936, #14562938, #14562961, …
maximal normal subgroup of#14562936, #14562938, #14562961, …
maximal quotient of#14566817, #14566818, #14566819, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1216, 1304);