Finite Group Databasebeta

C4⋊#19103901 #35205393

order20432
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊#19103901

Splittings

FittingC4×C1277 ⋊ C4
SylowC1277 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC2C2×#19103901
commutator, socleC2×C1277C2×C4
FittingC4×C1277C4
prime radical, cosocleC2×D1277C22
hypercenterC4#19103901
hypocenterC1277C4⋊C4
LCSG ▷ C2×C1277 ▷ C1277
UCSC1 ◁ C2 ◁ C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 5108

Polycyclic presentation:

2^4,1277|a^2=d,b^2=c,b^a=bc,e^a=e^113,e^d=e^1276

Conjugacy classes & character table

1286 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20432, 46);