Finite Group Databasebeta

C4⋊#19097413 #34093288

order19984
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊#19097413

Splittings

FittingC4×C1249 ⋊ C4
SylowC1249 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC2C2×#19097413
commutator, socleC2×C1249C2×C4
FittingC4×C1249C4
prime radical, cosocleC2×D1249C22
hypercenterC4#19097413
hypocenterC1249C4⋊C4
LCSG ▷ C2×C1249 ▷ C1249
UCSC1 ◁ C2 ◁ C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4996

Polycyclic presentation:

2^4,1249|a^2=d,b^2=c,b^a=bc,e^a=e^585,e^d=e^1248

Conjugacy classes & character table

1258 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19984, 46);