Finite Group Databasebeta

C4⋊#19104447 #35209261

order20752
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊#19104447

Splittings

FittingC4×C1297 ⋊ C4
SylowC1297 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC2C2×#19104447
commutator, socleC2×C1297C2×C4
FittingC4×C1297C4
prime radical, cosocleC2×D1297C22
hypercenterC4#19104447
hypocenterC1297C4⋊C4
LCSG ▷ C2×C1297 ▷ C1297
UCSC1 ◁ C2 ◁ C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 5188

Polycyclic presentation:

2^4,1297|a^2=d,b^2=c,b^a=bc,e^a=e^1261,e^d=e^1296

Conjugacy classes & character table

1306 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20752, 46);