Finite Group Databasebeta

C4⋊Dic1297 #35209235

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

Aliases

unambiguous semidirect productC4⋊Dic1297

Splittings

SylowC1297 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D1297
commutatorC2×C1297C2×C4
FittingC2×C4×C1297C2
socle, prime radical, cosocleC22×C1297C22
hypercenterC2×C4D1297
hypocenterC1297C4⋊C4
LCSG ▷ C2×C1297 ▷ C1297
UCSC1 ◁ C22 ◁ C2×C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 20752

Polycyclic presentation:

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

Conjugacy classes & character table

5194 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20752, 20);