Finite Group Databasebeta

D61⋊#1405 #30608313

order15616
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD61⋊#1405

Splittings

SylowC61 ⋊ C2×#1405

Subgroups

subgroupG/H
centerC2D61⋊AΣL(1,𝔽16)
commutatorC2×Q8×C61C22×C4
FrattiniC2×Q8C22×#6923
FittingC61×#456C4
socleC2×C61C2×AΣL(1,𝔽16)
prime radical2−1+4×D61C4
cosocle#14519775C23
hypercenter#456#6923
hypocenterC61C2×#1405
LCSG ▷ C2×Q8×C61 ▷ C2×C4×C61 ▷ C22×C61 ▷ C2×C61 ▷ C61
UCSC1 ◁ C2 ◁ C22 ◁ C2×C4 ◁ C4⋊Q8 ◁ #456

484 conjugacy classes of subgroups; only the 58 normal subgroups are shown.

normal subgroups only

This group has 484 conjugacy classes of subgroups — too many to draw. Only its 58 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 976

Polycyclic presentation:

2^8,61|a^2=e,d^2=h,e^2=h,f^2=h,b^a=bd,d^a=df,f^a=fg,g^a=gh,i^a=i^11,d^b=dh,e^b=ef,f^b=fh,g^b=gh,i^c=i^60,e^d=egh,f^d=fh,f^e=fh,i^e=i^60

Conjugacy classes & character table

274 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15616, 1097868);