| order | 20224 |
| nilpotency class | 7 |
| isoclinism | isoclinic class of D128 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C79 · Schur multiplier (H2) = C2 |
| direct product | C79×D128 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C79 | D64 |
| commutator, Frattini, cosocle | C64 | C22×C79 |
| LCS | G ▷ C64 ▷ C32 ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C79 ◁ C4×C79 ◁ C8×C79 ◁ C16×C79 ◁ C32×C79 ◁ C64×C79 ◁ G | |
46 conjugacy classes of subgroups.
| minimal degree | μ(G) = 207 |
| transitive degree | μt(G) = 10112 |
A minimal faithful permutation representation — 2 generators on 207 points:
(1,2)(3,9)(4,22)(5,27)(6,31)(7,34)(8,15)(10,16)(11,17)(12,23)(13,28)(14,32)(18,47)(19,50)(20,52)(21,39)(24,77)(25,81)(26,73)(29,87)(30,85)(33,90)(35,54)(36,53)(37,63)(38,67)(40,62)(41,66)(42,69)(43,57)(44,78)(45,82)(46,61)(48,88)(49,76)(51,86)(55,89)(56,91)(58,71)(59,70)(60,92)(64,106)(65,105)(68,107)(72,79)(74,84)(75,83)(80,126)(93,118)(94,117)(95,113)(96,123)(97,111)(98,120)(99,121)(100,119)(101,122)(102,127)(103,110)(104,109)(108,112)(114,128)(115,125)(116,124)(129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207);(2,9)(3,16)(4,17)(5,23)(6,28)(7,32)(10,11)(12,47)(13,50)(14,52)(15,39)(18,62)(19,66)(20,69)(21,57)(22,35)(24,78)(25,82)(26,61)(27,36)(29,88)(30,76)(31,37)(33,86)(34,38)(40,71)(41,70)(42,92)(43,46)(44,89)(45,91)(48,106)(49,105)(51,107)(53,54)(55,63)(56,67)(58,59)(60,79)(64,121)(65,119)(68,122)(72,108)(73,95)(74,75)(77,93)(80,127)(81,94)(83,104)(84,103)(85,97)(87,96)(90,98)(99,126)(100,125)(101,124)(102,128)(109,118)(110,117)(111,113)(112,123)(114,120)(115,116)5293 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20224, 539);