Finite Group Databasebeta

D61⋊#1906 #30615766

order15616
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

unambiguous semidirect productD61⋊#1906

Splittings

FittingC61×#575 ⋊ C4
SylowC61 ⋊ C2×#1906

Subgroups

subgroupG/H
centerC4#16840710
commutatorC2×C4×C61C23×C4
FrattiniC2×C4C23×#6923
FittingC61×#575C4
socleC2×C61C2×#386
prime radical#575×D61C2
cosocleC2×C4×D61C24
hypercenter#575#6923
hypocenterC61C2×#1906
LCSG ▷ C2×C4×C61 ▷ C2×C61 ▷ C61
UCSC1 ◁ C4 ◁ C22×C4 ◁ #575

1798 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 976

Polycyclic presentation:

2^8,61|a^2=g,b^2=eg,f^2=h,b^a=be,c^a=cf,e^a=eh,i^a=i^50,e^b=eh,f^b=fh,g^b=gh,i^b=i^11,e^c=eh,f^c=fh,g^c=gh,i^d=i^60,i^g=i^60

Conjugacy classes & character table

394 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15616, 1105321);