Finite Group Databasebeta

C4⋊#16862310 #30680922

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

Aliases

unambiguous semidirect productC4⋊#16862310

Splittings

FittingC4×C1049 ⋊ C4
SylowC1049 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC2C2×#16862310
commutator, socleC2×C1049C2×C4
FittingC4×C1049C4
prime radical, cosocleC2×D1049C22
hypercenterC4#16862310
hypocenterC1049C4⋊C4
LCSG ▷ C2×C1049 ▷ C1049
UCSC1 ◁ C2 ◁ C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4196

Polycyclic presentation:

2^4,1049|a^2=d,b^2=c,b^a=bc,e^a=e^623,e^d=e^1048

Conjugacy classes & character table

1058 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#46777013, #46777014, #46777019, …
maximal normal subgroup of#46777013, #46777014, #46777019, …
maximal quotient of(C2×#16862310)⋊C4, C4⋊#22554216, #46777018, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16784, 46);