Finite Group Databasebeta

C4⋊Dic1031 #30658148

order16496
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊Dic1031

Splittings

SylowC1031 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D1031
commutatorC2×C1031C2×C4
FittingC2×C4×C1031C2
socle, prime radical, cosocleC22×C1031C22
hypercenterC2×C4D1031
hypocenterC1031C4⋊C4
LCSG ▷ C2×C1031 ▷ C1031
UCSC1 ◁ C22 ◁ C2×C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 16496

Polycyclic presentation:

2^4,1031|a^2=d,b^2=c,b^a=bc,e^a=e^1030

Conjugacy classes & character table

4130 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45682345, #45682346, #45682348, …
maximal normal subgroup of#45682345, #45682346, #45682348, …
maximal quotient ofC1031⋊#95, C4⋊(C1031⋊C8), #45682356, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16496, 20);