Finite Group Databasebeta

C4⋊#19104916 #35229657

order20896
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊#19104916

Splittings

SylowC653 ⋊ C4⋊C8

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×D653
commutatorC2×C653C2×C8
FittingC42×C653C2
socle, prime radicalC22×C653C2×C4
cosocleC2×C4×C653C22
hypercenterC42D653
hypocenterC653C4⋊C8
LCSG ▷ C2×C653 ▷ C653
UCSC1 ◁ C2×C4 ◁ C42

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 20896

Polycyclic presentation:

2^5,653|a^2=d,b^2=c,d^2=e,b^a=bc,f^a=f^652

Conjugacy classes & character table

5236 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20896, 76);