Finite Group Databasebeta

(C2×D491)⋊C8 #30628249

order15712
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect product(C2×D491)⋊C8

Splittings

FittingC2×C8×C491 ⋊ C2
SylowC491 ⋊ C22⋊C8

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×D491
commutatorC2×C491C2×C8
FittingC2×C8×C491C2
socleC22×C491C2×C4
prime radicalC22×D491C4
cosocleC2×C4×C491C22
hypercenterC2×C8D491
hypocenterC491C22⋊C8
LCSG ▷ C2×C491 ▷ C491
UCSC1 ◁ C2×C4 ◁ C2×C8

50 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7856

Polycyclic presentation:

2^5,491|a^2=d,d^2=e,b^a=bc,f^b=f^490

Conjugacy classes & character table

3940 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC22⋊C8×D491, C2×(C2×D491)⋊C8, #44536687, …
maximal normal subgroup ofC22⋊C8×D491, C2×(C2×D491)⋊C8, #44536687, …
maximal quotient of#44536448, #44536450, #44536452, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15712, 58);