Finite Group Databasebeta

C4⋊Dic1049 #30680896

order16784
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊Dic1049

Splittings

SylowC1049 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D1049
commutatorC2×C1049C2×C4
FittingC2×C4×C1049C2
socle, prime radical, cosocleC22×C1049C22
hypercenterC2×C4D1049
hypocenterC1049C4⋊C4
LCSG ▷ C2×C1049 ▷ C1049
UCSC1 ◁ C22 ◁ C2×C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 16784

Polycyclic presentation:

2^4,1049|a^2=d,b^2=c,b^a=bc,e^a=e^1048

Conjugacy classes & character table

4202 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#46776872, #46776873, #46776875, …
maximal normal subgroup of#46776872, #46776873, #46776875, …
maximal quotient of#46776858, C4⋊#22554209, #46776883, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16784, 20);