Finite Group Databasebeta

C4⋊Dic1097 #31798144

order17552
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊Dic1097

Splittings

SylowC1097 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D1097
commutatorC2×C1097C2×C4
FittingC2×C4×C1097C2
socle, prime radical, cosocleC22×C1097C22
hypercenterC2×C4D1097
hypocenterC1097C4⋊C4
LCSG ▷ C2×C1097 ▷ C1097
UCSC1 ◁ C22 ◁ C2×C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 17552

Polycyclic presentation:

2^4,1097|a^2=d,b^2=c,b^a=bc,e^a=e^1096

Conjugacy classes & character table

4394 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#47975403, #47975404, #47975406, …
maximal normal subgroup of#47975403, #47975404, #47975406, …
maximal quotient of#47975389, C4⋊#22578588, #47975414, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17552, 20);