Finite Group Databasebeta

C4⋊#20266436 #39905729

order25888
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊#20266436

Splittings

SylowC809 ⋊ C4⋊C8

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×D809
commutatorC2×C809C2×C8
FittingC42×C809C2
socle, prime radicalC22×C809C2×C4
cosocleC2×C4×C809C22
hypercenterC42D809
hypocenterC809C4⋊C8
LCSG ▷ C2×C809 ▷ C809
UCSC1 ◁ C2×C4 ◁ C42

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 25888

Polycyclic presentation:

2^5,809|a^2=d,b^2=c,d^2=e,b^a=bc,f^a=f^808

Conjugacy classes & character table

6484 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25888, 76);