Finite Group Databasebeta
Cayley diagram

D13⋊M16 #88234

order416
isoclinismisoclinic class of #6118
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productD13⋊M16

Splittings

SylowC13 ⋊ C2×M16

Subgroups

subgroupG/H
centerC4C2×#261
commutator, socleC2×C13C22×C4
FrattiniC2C22×#261
FittingC2×C4×C13C4
prime radicalC22×D13C4
cosocleDic13C23
hypercenterC2×C4#261
hypocenterC13C2×M16
LCSG ▷ C2×C13 ▷ C13
UCSC1 ◁ C4 ◁ C2×C4

68 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 104

A minimal faithful permutation representation — 3 generators on 21 points:

(1,2,5,8,12,6,10,11,3,7,13,9,4)(15,20)(19,21);(14,16,18,17)(15,19,20,21);(2,3,4,6)(5,8,9,13)(7,11,12,10)(14,15,17,21,18,20,16,19)

Polycyclic presentation:

2^5,13|a^2=d,b^2=e,d^2=e,c^a=ce,f^a=f^8,f^d=f^12

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11718234, #11718235, #11718266, …
maximal normal subgroup of#11718234, #11718235, #11718266, …
maximal quotient of#11719047, C4×#6118, #11719049, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(416, 201);