Finite Group Databasebeta

C4⋊#19096921 #34089632

order19744
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊#19096921

Splittings

SylowC617 ⋊ C4⋊C8

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×D617
commutatorC2×C617C2×C8
FittingC42×C617C2
socle, prime radicalC22×C617C2×C4
cosocleC2×C4×C617C22
hypercenterC42D617
hypocenterC617C4⋊C8
LCSG ▷ C2×C617 ▷ C617
UCSC1 ◁ C2×C4 ◁ C42

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 19744

Polycyclic presentation:

2^5,617|a^2=d,b^2=c,d^2=e,b^a=bc,f^a=f^616

Conjugacy classes & character table

4948 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19744, 76);