Finite Group Databasebeta

D61⋊#2161 #30624131

order15616
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

unambiguous semidirect productD61⋊#2161

Splittings

SylowC61 ⋊ C2×#2161

Subgroups

subgroupG/H
centerC4C2×#14519846
commutatorC8×C61C23×C4
FrattiniC8C23×#6923
FittingC2×M32×C61C4
socleC2×C61C22×#107
prime radicalC23×D61Q16
cosocleC8×D61C24
hypercenterC2×M32#6923
hypocenterC61C2×#2161
LCSG ▷ C8×C61 ▷ C4×C61 ▷ C2×C61 ▷ C61
UCSC1 ◁ C4 ◁ C22×C4 ◁ C22×C8 ◁ C2×M32

642 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1952

Polycyclic presentation:

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

Conjugacy classes & character table

664 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15616, 1113686);