Finite Group Databasebeta

C4⋊(C491⋊C8) #30628267

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

Aliases

unambiguous semidirect productC4⋊(C491⋊C8)

Splittings

SylowC491 ⋊ C4⋊C8

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×D491
commutatorC2×C491C2×C8
FittingC42×C491C2
socle, prime radicalC22×C491C2×C4
cosocleC2×C4×C491C22
hypercenterC42D491
hypocenterC491C4⋊C8
LCSG ▷ C2×C491 ▷ C491
UCSC1 ◁ C2×C4 ◁ C42

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 15712

Polycyclic presentation:

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

Conjugacy classes & character table

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

Relationships

maximal subgroup ofD4⋊(C491⋊C8), #44536454, Q8⋊(C491⋊C8), …
maximal normal subgroup ofD4⋊(C491⋊C8), #44536454, Q8⋊(C491⋊C8), …
maximal quotient of#44536476, #44536478, #44536480, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15712, 76);