Finite Group Databasebeta

D4⋊(C491⋊C8) #44536453

order31424
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productD4⋊(C491⋊C8)

Splittings

SylowC491 ⋊ D4⋊C8

Subgroups

subgroupG/H
centerC2×C4C22⋊D491
commutatorC4×C491C2×C8
FrattiniC42C2×D491
FittingC4×D4×C491C2
socleC22×C491C22⋊C4
prime radicalC2×D4×C491C4
cosocleC42×C491C22
hypercenterC4×D4D491
hypocenterC491D4⋊C8
LCSG ▷ C4×C491 ▷ C2×C491 ▷ C491
UCSC1 ◁ C2×C4 ◁ C42 ◁ C4×D4

82 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 15712

Polycyclic presentation:

2^6,491|a^2=d,c^2=e,d^2=f,b^a=bc,c^a=ce,g^a=g^490,c^b=ce

Conjugacy classes & character table

4928 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31424, 277);