Finite Group Databasebeta

D61⋊#2121 #30623908

order15616
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

unambiguous semidirect productD61⋊#2121

Splittings

FittingC61×#534 ⋊ C4
SylowC61 ⋊ C2×#2121

Subgroups

subgroupG/H
centerC2C2×D61⋊#99
commutatorC23×C61C23×C4
FrattiniC23C23×#6923
FittingC61×#534C4
socleC2×C61C22×#99
prime radical#534×D61C2
cosocleC2×C22⋊D61C24
hypercenter#534#6923
hypocenterC61C2×#2121
LCSG ▷ C23×C61 ▷ C22×C61 ▷ C2×C61 ▷ C61
UCSC1 ◁ C2 ◁ C23 ◁ C22×D4 ◁ #534

1494 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 976

Polycyclic presentation:

2^8,61|a^2=f,b^a=be,e^a=eg,g^a=gh,i^a=i^11,c^b=ch,f^b=fg,i^d=i^60,f^e=fh,i^f=i^60

Conjugacy classes & character table

376 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15616, 1113463);